2021年中考英语复习之九年级全册Unit 4 Section B 知识梳理

.Section B

▶考点十 a number of的用法  

1)  a small number of译为“少量的…；为数不多的...”，后接可数名词复数，做主语时谓语动词用复数形式。

【用法必备】辨析a number of与the number of

➩ A number of beaches have been polluted.  许多沙滩已经被污染了。

➩ The number of the students in the room is seventeen.  房间里学生的人数是17人。

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2)  make it译为“办成，做到；成功”；用来表示达到预定目标。

【用法必备】

1. 用来表示规定时间，常与can, let等词连用。

A：Shall we meet next week?  下星期我们见面，好吗？

B：Yes. Let’s make it next Sunday.  好的，让我们约定下星期日吧。

2. 用来表示达到预定目标；办成，做到；成功。

Tell him I want to see him tonight, at my house if he can make it.  告诉他今晚我要见他，行的话就在我家。

3. 用来表示及时抵达；赶上。

He won't be able to make it home at Christmas.  圣诞节时他到不了家。

4. 用来表示(疾病)等得到好转；得救。

The doctor knew that the patient was unlikely to make it.  医生知道那个病人没什么希望了。

【小试牛刀】

1. Nowadays __________ left-behind children has increased, and the problem should be paid more attention to.

1. lots of
2. plenty of
3. a number of
4. the number of

2. A number of visitors __________ visiting the West Lake. This makes the road crowded.

1. is
2. are
3. was
4. were

3. It's reported that the number of students in this ____________ increased in recent years.

1. has
2. have
3. had
4. are

4. Don’t give up! Come on. I know you can make__________.

1. it            
2. this          
3. that           
4. so

答案：

1. D
2. B
3. A
4. D

▶考点十一 alone的用法  

alone形容词，意为“单独的；独自的”。

➩ Her parents were not at home, and she was alone.  她父母不在家，留下她一个人。

【用法必备】辨析alone与lonely

➩ The old man lives alone in a lonely village, but he never feels lonely.  这位老人独自一人住在一个偏僻的村庄里，但他从不感到孤单。

➩ Actually being alone is not lonely. The real loneliness is when you miss someone.  其实一个人并不孤单，想念一个人的时候才是真正的孤单。

【小试牛刀】

1. I never feel __________ (孤独的) when studying in a new city because I know someone cares about me.

2. My grandmother enjoys spending time staying at countryside __________.(独自地)

3. Some old people need a pet because they feel __________.

1. alone
2. lonely
3. happy
4. Honest

答案：

1.   lonely
2.   alone
3.   B

▶考点十二 宾语从句作形式宾语 / have difficulty in doing sth.的用法  

1)  本句是一个含有宾语从句的主从复合句。其中主句为it is hard to believe，从句为he used to have difficulties in school。其句式结构如下：

It  is  hard  to  believe  that...

2)  have difficulties in school表示“在学校有(许多)困难”，此处difficulty为可数名词。

➩ We have many difficulties that must be overcome.  我们有许多困难必须克服。

【用法拓展】

have difficulty (in) doing sth.表示“做某事有困难”，此结构中difficulty为不可数名词，相当于have trouble / problems(in) doing sth.，其中介词in可以省略。

➩ Lucy has difficulty (in) learning physics.  露西在学习物理方面有困难。

▶考点十三 seldom的用法  

seldom(not often)，频度副词，意为“不常；很少”，通常置于助动词、系动词或情态动词之后，实义动词之前。

➩ He is seldom late for school.  他上学很少迟到。

➩ Barking dogs seldom bite.  爱叫的狗不咬人。

【用法必备】频度副词的常考点

1)  频率高低：always(100%) > usually(80%) > often(60%) > sometimes(40%) > seldom(20%) > hardly(5%) > never(0%)

2)  位置：频度副词在句中一般放在be动词/助动词/情态动词之后，实义动词之前。

3)  提问：对频度副词提问应用how often

4)  主谓一致：频度副词常位于主谓之间，且常用于一般现在时中，在遇到第三人称单数作主语时谓语动词需用单三形式。(这个是个易错点，频度副词常位于主谓之间，千万不要忘记变单三哦！)

【小试牛刀】

1. You will _________ see the beautiful scenery unless you try your best to reach the top of the mountain. 

1. often
2. sometimes
3. seldom
4. Never

答案：D

▶考点十四 take care of的用法  

take care of sb.表示“照顾；照看”，相当于look after sb.。

如果要表示“好好照顾”，可以用take good care of sb.或look after sb. well。

➩ You must take good care of yourself and keep healthy. = You must look after yourself well and keep healthy.  你一定要好好照顾自己，保持健康。

【小试牛刀】

1. We should be kind of the old and take care __________ them in daily life.

1. of
2. with
3. for
4. about

答案A

▶考点十五 be absent from/fail的用法  

1)  be absent from表示“缺席…”，此处absent用作形容词，意为“缺席；不在”。其反义词为 present，“出席的；在场的”。

➩ Mr. Wang was absent from the meeting today.  王先生今天开会缺席了。

2)  fail动词，意为“不及格；失败；未能(做到)”，常用fail (in) sth.表示“在…中失败/不及格”。其名词形式为 failure。

➩ Tom always fails (in) his tests.  汤姆总是测试不及格。

fail后也可跟不定式，fail to do sth.  表示“未能/没能做某事”。

➩ I failed to pass the driving test，我未能通过照考试

▶考点十六 make a decision的用法

make the/ a decision to do sth.意为“决定做某事；下定决心做某事”，相当于decide to do sth.。decision是动词decide的名词形式。

➩ I know it's difficult for you to make a decision at once.  我知道对你来说立刻做决定很难。

【小试牛刀】

1. —Jack,will your family move to Shanghai?

—Yes. That’s a very big        my parents made.

1. decide         
2. decision          
3. education        
4. difference

答案：B

▶考点十七 advise的用法  

advise sb. to do sth.译为“建议某人做某事”，其否定结构为 advise sb. not to do sth.。

➩ The doctor advised me to take a complete rest.  医生建议我彻底休息一下。

【用法必备】

advice与advise形似，但advice为不可数名词，意为“建议；劝告”，表示“一条建议”用“ a piece of advice”。

【小试牛刀】

1. -- You'd better advise him _____________ anything out of the window while driving.

-- I will. He has to know it's dangerous.

1. not throwing
2. no throwing
3. not to throw
4. don't throw

答案：C

▶考点十八 be proud of的用法  

be proud of意为“为……骄傲；感到自豪”，相当于take pride in。其中proud为形容词，意为“自豪的；骄傲的”。其中of和in是介词，其后可接名词、代词或动词-ing作宾语。

proud (adj.) 骄傲的 ; pride (n.) 骄傲。the pride of...”...的骄傲”。

➩ I am proud of helping others when they are in trouble. = I take pride in helping others when they are in trouble.  我很自豪别人有困难时我能帮助他们。

【小试牛刀】

1. He is proud of _________ (have) such good friends, because they are always there whenever he is in trouble.

2. Mr. Wang took pride _________ the prize he got.

答案：

1. having
2. in