初中动词被动语态专项复习

这是一份初中动词被动语态专项复习，共19页。

动词被动语态专项复习：一般现在时的被动语态
第一部分:1-50 专项练习 第二部分:51-100全面解析


1．Many parts of this car in less developed countries, like Thailand.
A．produce B．produced C．are produced D．was produced
2．—At present, one of the best ways to study is working in groups.
—More chances ___________ to students to learn from each other.
A．offer B．are offered C．have offered D．are offering
3．I will go out to play with you as soon as my homework .
A．finishes B．is finished
C．will be finished D．was finished
4．—Is everything ____ we need to do ____?
—Yes. You needn't worry about it.
A．which; has done B．which; doing
C．that; has done D．that; done
5．Thanks to the man's efforts, more and more toys from his factory to sell abroad every year.
A．were produced B．are produced C．produce D．will produce
6．Keep quiet, please! Talking ______ during the meeting.
A．is not allowed B．is allowed C．doesn't allow D．Allows
7．—Don't smoke here, Dad. Smoking _____ in public places.
—Oh, sorry. I'll stop right now.
A．isn't allowed B．aren't allowed C．doesn't allow D．hasn't allowed
8．Mary loves singing so much. She ________ after school very often.
A．is heard sing B．is heard to sing
C．hears sing D．hears to sing
9．When Subway Line1 , people in Yangzhou will feel more convenient to travel around.
A．completes B．is completed
C．will complete D．will be completed
10．He teaches us well and loves every student, so he is a ________ teacher.
A．lovely B．much­ loved C．love D．many­ loved
11．Trees and flowers _______ every year to make our school more beautiful.
A．plant B．are planted
C．were planted D．will be planted
12．Trees and flowers _______ every year to make our school more beautiful.
A．plant B．are planted
C．were planted D．will be planted
13．I can't understand what the book is about because it in Japanese.
A．writes B．will write C．wrote D．is written
14．The air is badly ________.And there's more water _______ in the world.
A．pollution, pollute B．polluted, pollution
C．pollution, pollution D．pollute, polluted
15．Yancheng is a greener city now because more and more trees ________ every spring.
A．were planted B．are planted
C．will be planted D．plant
16．You can't wear shoes inside this place. It_____.
A．doesn't allow
B．isn't allowed
C．hasn't allowed
D．wasn't allowed
17．——During the APEC summit（峰会)，Beijing's sky was so blue and clear.——It APEC blue.But too bad it no longer stays that way．
A．is called B．are called
C．called D．calls
18． Chinese ______by more and more people around the world.
A．spoken B．is spoken C．spoke D．speak
19．_____ this kind of question often asked in your class, Ann?
A．Is B．Does C．Has
20． —- Have you heard of the song Little Apple?
—- Yes. It ______ every morning when aged people do square dancing downstairs.
A．is played B．plays
C．was played D．played
21．—What does the sign on the right tell us?
—Oh, it tells us that we ________ to stop our cars here.
A．don't allow B．aren't allowed
C．didn't allow D．weren't allowed
22． You can't wear shoes inside this place. It _____.
A．doesn't allow B．isn't allowed
C．hasn't allowed D．wasn't allowed
23．—-Don't smoke here, Dad. Smoking _____ in public places.
—-Oh, sorry. I'll stop right now.
A．isn't allowed
B．aren't allowed
C．doesn't allow
24．Some students in this school abroad as exchange students every year.
A．sent B．send C．are sent
25．——Can Mr. King spare some time for the charity show? ——If he ___, he will try his best to make it.
A．will be invited B．is invited
C．invites D．invited
26．-- Are you going to Sam's birthday party the day after tomorrow?
-- I'm not sure. I will go with you if I _______.
A．will invite B．invite
C．will be invited D．am invited
27．—Hobo，can I eat the hamburger？ —Sure，if the dishes .
A．wash B．are washed
C．will wash D．will be washed
28．Chengdu is a greener city now because more and more trees every spring.
A．were planted B．are planted C．will be planted.
29．A cook will lose his job if he to smoke in the kitchen.
A．finds B．found C．is found
30．—Claudia, are you going to Mike's birthday party on Sunday? —Unless I ______ .
A．am invited B．invited C．was inviting
31．—Do you think teenagers________ to make their own decisions?—No, I don't agree with you. They're too young to do that.
A．encourage B．are encouraging
C．are encouraged D．were encouraged
32．Everyone in our class ___________ to take part in the English Speech Contest.
A．is encouraged B．encourages
C．are encouraging D．are encouraged
33．Because it every day, the window is very clean.
A．cleaned B．will clean
C．was cleaned D．is cleaned
34．— Lots of trees and flowers ________ in Zhangzhou every year.
— You're right. That makes our city more and more beautiful.
A．are planted B．were planted C．will be planted
35．To our surprise, the walls of the new bookstore ____books.
A．are lined with B．is lined with C．have lined with
36． —Have you heard of the Big Ben?
—Of course. It a symbol of UK.
A．regards as B．is regarded as
C．is regarded to D．regards to
37．A lot of trees around here every year and we can enjoy fresher air now.
A．plant B．is planted
C．were planted D．are planted
38． When you ______ a difficult task, try to continue with it and finish it.
A．give B．are giving C．gave D．are given
39．When I see too much water ________ in our school every day, I feel very angry.
A．is wasted B．wastes C．was wasted D．waste
40．——Claudia, are you going to Jeff's birthday party on Saturday?
——Unless I______ .
A．will be invited B．am invited
C．was inviting D．invited
41．It is true that knowledge _______ rather than being taught.
A．learns B．learned C．is learned D．was learned
42．— What languages ___ in that country?
—German and English.
A．are speaking B．are spoken C．speak D．is spoken
43．——Dad, can I go out to play with my friends now?'
——Not until your homework__________ .
A．will finish B．finishes C．is finished
44．—Can you tell me how to make apple juice?
—Sure. Please watch carefully and you will see how it _________ .
A．is made B．is making C．makes D．will make
45．— Mom, my classmates are playing outside. Can I join them?
— Not until your homework .
A．finishes B．is finished C．finished D．was finished
46．The old over 90 __ not only by their family but also by the government in many places.
A．is looked at B．are taken good care of
C．are taken good care D．is looking after
47．John can't go to the party on Thursday because he to go out on school nights.

A．allowed
B．is allowed
C．isn't allowed
48．Taiwan is ______ ______ the Treasure Island of China and it is a part of China.
A．regard as B．regarded as C．regard to D．regarded to
49．This pair of jeans______ hand, and it______ very comfortable.
A．is make with; is felt B．are made from; is felt
C．is made by; feels D．are made of; feels
50．Computers_______ many things and we_______ these modern machines.
A．are used to doing; are used to use B．are used to do; are used to using
C．used to do; are used to using D．are used to do; used to use

答案解析部分
1．C
2．B
3．B
4．D
5．B
6．A
7．A
8．B
9．B
10．B
11．B
12．B
13．D
14．B
15．B
16．B
17．A
18．B
19．A
20．A
21．B
22．B
23．A
24．C
25．B
26．D
27．B
28．B
29．C
30．A
31．C
32．A
33．D
34．A
35．A
36．B
37．D
38．D
39．A
40．B
41．C
42．B
43．C
44．A
45．B
46．B
47．C
48．B
49．C
50．B

动词被动语态专项复习：一般现在时的被动语态
第一部分:1-50 专项练习 第二部分:51-100全面解析


1．Many parts of this car in less developed countries, like Thailand.
A．produce B．produced C．are produced D．was produced

全面分析：这辆车的许多零件产于欠发达国家，如泰国。结合句意和语境可知用被动语态。被动语态构成：主语+be+过去分词；注意要主谓一致，主语是Many parts 是复数形式，of this car作定语修饰many parts，故be动词用复数形式，结合句意和语境可知选C。

2．—At present, one of the best ways to study is working in groups.
—More chances ___________ to students to learn from each other.
A．offer B．are offered C．have offered D．are offering

全面分析：—句意：目前，学习的最好方法之一在小组中工作。—更多的计划被提供给学生去互相学习。根据前后文分析，可知more chances更多的计划被提供，应使用被动结构：be+过去分词，主语是复数，故选B。

3．I will go out to play with you as soon as my homework .
A．finishes B．is finished
C．will be finished D．was finished

全面分析：我的作业一做完我就出去和你玩。时间状语从句中，若主句是一般将来时，从句用一般现在时代替一般将来时；本题中从句的主语是my homework，是动作的承受者，故用被动语态。故选B。

4．—Is everything ____ we need to do ____?
—Yes. You needn't worry about it.
A．which; has done B．which; doing
C．that; has done D．that; done

全面分析：—我们所需要做的一切都做了吗？—是的，你们不必担心。本题考查定语从句和被动语态。在定语从句中，当先行词是everything时，关系代词用that。第二个空用done，和Is构成被动结构，故答案为D.

5．Thanks to the man's efforts, more and more toys from his factory to sell abroad every year.
A．were produced B．are produced C．produce D．will produce

全面分析：幸亏那个人的努力，每年他的工厂的越来越多的玩具被生产，被销售到国外。根据every year可知此处用一般现在时，结合句意，此处表示被动，故选B。

6．Keep quiet, please! Talking ______ during the meeting.
A．is not allowed B．is allowed C．doesn't allow D．Allows

全面分析：请保持安静，在开会期间是不允许交谈的。根据Keep quiet, please! 请保持安静！可知此处是说在开会期间不允许交谈。主语和谓语之间是被动关系，句子用被动语态的否定式，这是一个客观事实，所以句子用一般现在时，一般现在时的被动语态be not +done。故选A。


7．—Don't smoke here, Dad. Smoking _____ in public places.
—Oh, sorry. I'll stop right now.
A．isn't allowed B．aren't allowed C．doesn't allow D．hasn't allowed

全面分析：——不要在这儿吸烟，爸爸。在公众场合吸烟是不被允许的。——噢，对不起。我马上停止。根据句子结构，我们知道句子的主语和谓语之间在被动关系，要用被动语态，这是客观事实，句子时态用一般现在时，一般现在时的被动语态is/am/are+done,根据主语smoking单三结构，可知此处用is，故选A。

8．Mary loves singing so much. She ________ after school very often.
A．is heard sing B．is heard to sing
C．hears sing D．hears to sing

全面分析：玛丽非常喜欢唱歌，经常听见她在放学后唱歌。短语hear sb do sth听见某人做某事，这里sb作主语，变成被动句，sb be heard to do .某人被听见做了某事。故选B。

9．When Subway Line1 , people in Yangzhou will feel more convenient to travel around.
A．completes B．is completed
C．will complete D．will be completed

全面分析：“当地铁1号线完成的时候，扬州的人们会感觉旅行变得很方便”。A,completes.一般现在时。B,is completed,一般现在时的被动语态C,will complete一般将来时,D,will be completed一般将来时的被动语态。首先主句用一般将来时，从句要用一般将来时，排除C和D，又因为地铁和完成之间为被动关系，故选B。

10．He teaches us well and loves every student, so he is a ________ teacher.
A．lovely B．much­ loved C．love D．many­ loved

全面分析：他把我们教的很好，并且深爱每一个学生，所以他是一个深受喜爱的老师。be loved，被受（学生）喜爱，much，副词，修饰动词loved，表示受喜爱的程度，故选B。

11．Trees and flowers _______ every year to make our school more beautiful.
A．plant B．are planted
C．were planted D．will be planted

全面分析：由句中主语“Trees and flowers”为事物可知此处应用被动语态，时间状语为every year，因此用一般现在时，故选B。
12．Trees and flowers _______ every year to make our school more beautiful.
A．plant B．are planted
C．were planted D．will be planted

全面分析：由句中主语“Trees and flowers”为事物可知此处应用被动语态，时间状语为every year，因此用一般现在时，故选B。
13．I can't understand what the book is about because it in Japanese.
A．writes B．will write C．wrote D．is written

全面分析：我不能理解这本书是关于什么的，因为它是用日语写的。根据题意可知用一般现在时态的被动语态，其结构是be done的形式。根据题意，故选D。

14．The air is badly ________.And there's more water _______ in the world.
A．pollution, pollute B．polluted, pollution
C．pollution, pollution D．pollute, polluted

全面分析：空气被严重地污染，世界上有更多的水污染。前一句是一般现在时态的被动语态，缺少过去分词，后一个空是there be句型，缺少名词。故答案为B。

15．Yancheng is a greener city now because more and more trees ________ every spring.
A．were planted B．are planted
C．will be planted D．plant

全面分析：盐城是一座绿色城市，因为每年春天植了越来越多的树。由every spring可知句子描述的是每年春天发生的动作，句子用一般现在时态。主语trees是谓语动词plant的承受者，句子用被动语态。故选B。
16．You can't wear shoes inside this place. It_____.
A．doesn't allow
B．isn't allowed
C．hasn't allowed
D．wasn't allowed

全面分析：你不能在这里面穿鞋子，它是不允许的。这里it是句子的主语，它与allow是被动关系，穿鞋不被允许，用被动语态(构成:be+及物动词的过去分词);作为一项规则，用一般现在时，即用一般现在时的被动语态，故选B。
17．——During the APEC summit（峰会)，Beijing's sky was so blue and clear.——It APEC blue.But too bad it no longer stays that way．
A．is called B．are called
C．called D．calls

全面分析：——在 APEC峰会期间，北京的天空是那么的蓝。一一它叫做 APEC蓝，但是太遭糕，再没有那样的蓝了。主语是谓语动词的执行者，用主动语态，主语是谓语动词的承受者，用被动语态。本句主语it是谓语call的承受者，用被动语态，故选A。
18． Chinese ______by more and more people around the world.
A．spoken B．is spoken C．spoke D．speak

全面分析：全世界越来越多的人讲汉语。全世界的人讲汉语，表示通常的状况，用一般现在时态；主语Chinese是谓语动词speak的承受者，用被动语态。故选B。
19．_____ this kind of question often asked in your class, Ann?
A．Is B．Does C．Has

全面分析：安，在你的班级，这种问题经常被问吗？often，经常，通常，表示“经常性、习惯性”的动作，句子用一般现在时态;question(问题)是ask(问)的承受者，当动作的承受者作主语时，谓语要用被动语态。即:本题用一般现在时态的被动语态，故选A。
20． —- Have you heard of the song Little Apple?
—- Yes. It ______ every morning when aged people do square dancing downstairs.
A．is played B．plays
C．was played D．played

全面分析：—你听说过《小苹果》这首歌吗?—是的，每天上午当上了年纪的人在楼下跳广场舞时都播放它。it（这里指小苹果这首歌曲)和动词play之间是动宾关系，所以用被动结构。根据every morning可知用一般现在时，故选A
21．—What does the sign on the right tell us?
—Oh, it tells us that we ________ to stop our cars here.
A．don't allow B．aren't allowed
C．didn't allow D．weren't allowed

全面分析：——右边的标志告诉我们什么？——哦，它是说不允许我们在这儿停车。主语we是谓语动词allow的承受者，用被动语态；该标志表示通常的状况，用一般现在时态。故选B。
22． You can't wear shoes inside this place. It _____.
A．doesn't allow B．isn't allowed
C．hasn't allowed D．wasn't allowed

全面分析：在这个地方里面你不能穿鞋。穿鞋是不被允许的。A.主动语态的一般现在时;B.被动语态的一般现在时;C.主动语态的现在完成时;D.被动语态
的过去时态。根据句意可知it指穿鞋这件事，所以王语和谓语动词之间是动宾关系，要用被动语态，根据这是规矩，所以用一般现在时，故选B。
23．—-Don't smoke here, Dad. Smoking _____ in public places.
—-Oh, sorry. I'll stop right now.
A．isn't allowed
B．aren't allowed
C．doesn't allow

全面分析：—-不要在这儿吸烟，爸爸。在公共场所不允许吸烟。—-哦，对不起，我马上停止。“不允许吸烟”，吸烟smoking在句中作主语，用被动语态。动名词短语smoking作主语，谓语用三人称单数.故选A
24．Some students in this school abroad as exchange students every year.
A．sent B．send C．are sent

全面分析：每年这个学校的一些学生作为交换生送出国。sent送出过去式，主动形式。send送出，一般现在时，主动形式。are sent被送出，一般现在时的被动形式。结合句意，学生是被送出国的，故此处用被动语态。故选C
25．——Can Mr. King spare some time for the charity show? ——If he ___, he will try his best to make it.
A．will be invited B．is invited
C．invites D．invited

全面分析：-King先生能不能抽点时间去参加慈善表演？-如果他被邀请，他回尽力去的。will be invited 一般将来时的被动语态；is invited一般现在时的被动语态；invites第三人称单数形式；invited过去式。这句话中if引导的是条件状语从句，应该用一般现在时态， 而且从句中的主语he和invite构成被动关系，故应选B。
26．-- Are you going to Sam's birthday party the day after tomorrow?
-- I'm not sure. I will go with you if I _______.
A．will invite B．invite
C．will be invited D．am invited

全面分析：一一后天你要去参加萨姆的生日晚会吗?一一我不确定，如果请了我，我会和你一起去的。if(如果)引出的条件状语从句，当主句是一般将来时态时，从句要用一般现在时态。A、C错了。主语I是谓语动词invite的承受者，用被动语态，故选D。
27．—Hobo，can I eat the hamburger？ —Sure，if the dishes .
A．wash B．are washed
C．will wash D．will be washed

全面分析：——Hobo,我可以吃汉堡吗？——当然，如果餐具洗了。从语境可以知道，盘子还没有洗，是将要洗，if引出的条件状语从句，用一般现在时态表将来；主语dishes是谓语wash的承受者，用被动语态。故选B。
28．Chengdu is a greener city now because more and more trees every spring.
A．were planted B．are planted C．will be planted.

全面分析：成都现在是一个绿色城市，因为每年春天越来越多的树木被种植。根据时间状语every spring可知此处用一般现在时，结合句意，主语trees与谓语动词plant之间是被动关系，故此处用现在被动形式。故选B。
29．A cook will lose his job if he to smoke in the kitchen.
A．finds B．found C．is found

全面分析：如果发现厨师在厨房里抽烟，他会失去他的工作。从语境来看，是“发现他”，故用被动语态。选C。及物动词逻辑上的主语作主语时，用主动语态;及物动词逻辑上的宾语做主语时，用被动语态。
30．—Claudia, are you going to Mike's birthday party on Sunday? —Unless I ______ .
A．am invited B．invited C．was inviting

全面分析：-Claudia这个星期天你打算去参加Mike的生日晚会吗?一除非我被邀请去。A.一般现在时态的被动语态，被邀请;B.过去式，或过去分词;C.过去进行时，表示过去某个时间正在发生的事情。根据句意可知，我应被邀请去参加晚会，应该用被动语态，故选A。
31．—Do you think teenagers________ to make their own decisions?—No, I don't agree with you. They're too young to do that.
A．encourage B．are encouraging
C．are encouraged D．were encouraged

全面分析：——你认为会鼓励青少年做自己的决定吗？——不，我不同意你的观点。他们太小了还不能做决定。动词逻辑上的宾语作主语时，句子用被动语态； 动词逻辑上的主语作主语时，用主动语态。“鼓励青少年”，teenagers是encourage逻辑上的宾语，在句中作主语。用被动语态，故选C。
32．Everyone in our class ___________ to take part in the English Speech Contest.
A．is encouraged B．encourages
C．are encouraging D．are encouraged

全面分析：鼓励我们班上的每一个人参加英语演讲比赛。从语境上看，“鼓励每一个人”，everyone作主语，与encourage之间是被动关系，故用被动语态；everyone，是不定代词，不定代词作主语时，谓语用第三人称单数形式。故选A。
33．Because it every day, the window is very clean.
A．cleaned B．will clean
C．was cleaned D．is cleaned

全面分析：因为窗户每夭打扫，所以非常干净。A.一般过去时态;B.一般将来时态;C.一般过去时被动语态;D.一般现在时被动语态。每夭打扫窗户，表示经常性习惯性的动作，用一般现在时态;主语it(指the window)是谓语动词clean的承受者，用被动语态，故选D。
34．— Lots of trees and flowers ________ in Zhangzhou every year.
— You're right. That makes our city more and more beautiful.
A．are planted B．were planted C．will be planted

全面分析：一每年漳州都种植大量的树木和花草。一你说得对。这使得我们的城市越来越漂亮。根据语境可知，这里指的是一个经常性的动作，应用一般现在时，主语是动作的承受者，应用被动语态。结合选项可知应选A。
35．To our surprise, the walls of the new bookstore ____books.
A．are lined with B．is lined with C．have lined with

全面分析：令我们惊奇的是，新书店的墙上排满了书，用……把……布满，排满:line...with...，主语the walls是谓语动词line的承受者，用被动语态;the walls是主语中心词，of the new bookstores是作定语的介词短语，主语是复数，谓语也要用复数形式。故选A。
36． —Have you heard of the Big Ben?
—Of course. It a symbol of UK.
A．regards as B．is regarded as
C．is regarded to D．regards to

全面分析：一你听说过大本钟吗?一当然。它被看作是英国的象征。句中的It 代指Big Ben是动作regard的承受者，该用被动语态。而被动语态是由:be动词+实意动词的过去分词构成。be regarded as 被……看作，所以选B。
37．A lot of trees around here every year and we can enjoy fresher air now.
A．plant B．is planted
C．were planted D．are planted

全面分析：本题考查被动语态，句意：每年这儿周围种植很多树，现在我们就能够享受更新鲜的空气了，主语是物，用被动语态，由句中关键词every year可知用一般现在时,所以选D。
38． When you ______ a difficult task, try to continue with it and finish it.
A．give B．are giving C．gave D．are given

全面分析：“当你被给一项艰巨的任务时，试图继续做并完成它。”give sb. sth.改成被动语态是sb be given sth.；根据语境，故选D。
39．When I see too much water ________ in our school every day, I feel very angry.
A．is wasted B．wastes C．was wasted D．waste

全面分析：当我每天看到我们学校太多的水被浪费，我感到很生气，根据句意，是被动语态，又因为句中有every day,是一般现在时，故选A。
40．——Claudia, are you going to Jeff's birthday party on Saturday?
——Unless I______ .
A．will be invited B．am invited
C．was inviting D．invited

全面分析：——克劳迪娅，周六你去参加杰夫的生日聚会吗？——除非我收到邀请。结合语境可知下文省略了主句，当主句描述将来发生的动作时，英语条件状语从句中用一般现在时态表示将来动作。从句主语是动作对象，故用被动语态，选B。

41．It is true that knowledge _______ rather than being taught.
A．learns B．learned C．is learned D．was learned

全面分析：句意；确实是，知识是学来的而不是被教会的。结合语境可知从句中描述的是客观性动作，故用一般现在时态。主语是动作对象，故用被动语态，选C。

42．— What languages ___ in that country?
—German and English.
A．are speaking B．are spoken C．speak D．is spoken

全面分析：在那个国家什么语言被说？—德语和英语。被动语态的的结构为be+done，结合语境用一般现在，根据题意可知用一般现在时的被动语态，故选B。

43．——Dad, can I go out to play with my friends now?'
——Not until your homework__________ .
A．will finish B．finishes C．is finished

全面分析：not until直到……才，be+动词过去分词构成被动语态，句意：爸爸，我现在可以出去跟朋友玩吗？直到你的作业被完成才可以。故选C。

44．—Can you tell me how to make apple juice?
—Sure. Please watch carefully and you will see how it _________ .
A．is made B．is making C．makes D．will make

全面分析： -你能告诉我怎样制作苹果汁吗？-当然了。请仔细看着，你会看到它是怎样做成的。句中的it 指的是苹果汁，故它和make 之间构成被动的关系，故选A。B是现在进行时；C是一般现在时；D是一般将来时。

45．— Mom, my classmates are playing outside. Can I join them?
— Not until your homework .
A．finishes B．is finished C．finished D．was finished

全面分析：妈妈，我的同学在外面玩，我可以加入他们吗？直到你的作业完成了你才能去。动作的承受者作主语，用被动语态。其结构是，主语+be+done.在时间状语从句中主句用将来时态从句用一般现在时。根据句意，故选B。

46．The old over 90 __ not only by their family but also by the government in many places.
A．is looked at B．are taken good care of
C．are taken good care D．is looking after

全面分析：在许多地方超过90的人们，不仅要被他的家人照顾好而且还要被政府照顾好。Take good care of 词组照顾；look afte r照顾；looked at看；根据the +形容词表示一类人，故用复数，根据语境可知用被动语态。故选B

47．John can't go to the party on Thursday because he to go out on school nights.

A．allowed
B．is allowed
C．isn't allowed

全面分析：be+动词的过去分词构成被动语态，其否定形式为be+not+动词过去分词，句意：John不能参加周四的聚会，因为他在工作日的晚上不被允许外出。故选C。

48．Taiwan is ______ ______ the Treasure Island of China and it is a part of China.
A．regard as B．regarded as C．regard to D．regarded to

全面分析：regard as把……认作；regard to关于，向……问好。句意：台湾被当做祖国的宝岛，它是中国的一部分。结合语境可知本句主语是动作的对象，故用被动语态，选B。

49．This pair of jeans______ hand, and it______ very comfortable.
A．is make with; is felt B．are made from; is felt
C．is made by; feels D．are made of; feels

全面分析：这条牛仔裤是手工制作的。它感觉起来非常舒服。be made from 由……原料制成原料发生化学变化，be made of ,原料发生物理变化。be made by由(某人)制成，后加动作的发出者。feel半系动词，没有被动结构，根据句意，故选C。

50．Computers_______ many things and we_______ these modern machines.
A．are used to doing; are used to use B．are used to do; are used to using
C．used to do; are used to using D．are used to do; used to use

全面分析：电脑用来做许多的事情，我们习惯于使用这些现代的机器。be used to do sth,被用来做……，be used to doing sth 习惯于做……，used to do sth,过去常常做某事。根据句意，故选B。