高中英语：条件状语从句 专项练习

这是一份高中英语：条件状语从句 专项练习，共6页。
高中英语专题：条件状语从句 专项练习  1．If you come this afternoon, we_____ a meeting.A．Would have B．have C．will have D．Has2．You won’t find paper cutting difficult _____you keep practicing it.A．even if  B．as long as C．as if   D．ever since3．Video games can be a poor influence if ________ in the wrong hands.A． to leave B．leaving C．leave D．left4．—I wonder if Professor Watson ________ the party tonight.—I don't know，but I'll let you know if he ________.A．will attend；will come B．will attend；comesC．attends；will come D．attends；comes5．You shouldn't accept a lift from a person ________ you don't know him.A．until B．unless C．if D．whether6．Why not look up the new word in a dictionary_______you don't know it?A．if           B．that    C．though      D．whether7．—What are you going to do this afternoon?  —I'll probably go for a walk later on         it stays fine．A．as far as B．so long as C．even if D．as if8．Take the note as a reminder ______ you forgot to buy some sweets for the kids while shopping there.   A．how B．that C．in case D．even if9．The rivers will become dirtier and dirtier ________ we take action to protect them.    A．since B．if C．until D．unless10．—Will you go to the picnic tomorrow?  —Not      my dear dog is allowed to accompany me.A．if B．until C．unless D．when11．Take short walks to calm down, or, _________, simply take a day off.A．if necessary B．if not C．if ever D．if so12．Don't call me at the office ________ it is necessary.A．before B．unless C．although D．till13．— Where are we going for dinner?   — I don't mind where we go ________ there's my favorite food sushi.A．in case B．as soon as C．now that D．so long as14．________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.  A．Once B．If C．Unless D．While15．The game is not very difficult _______ you understand the rules.  A．until B．though C．once D．unless16．If ______ to look after luggage for someone else, inform the police at once.A．asked B．to ask C．asking D．having asked17．_____ you visit the website, you can find the information you need.A．Although B．As long as C．Since D．Unless18．________ you exercise regularly as well, you won't be able to lose weight only by eating less.   A．Once B．When C．If D．Unless19．Magic shows are entertaining ______ the audience does not discover how the tricks are done.A．so that B．as long as C．as if D．ever since20．This medicine is quite beneficial to your recovery after the operation, ________ you take it as told.A．unless B．providing C．considering D．since21．All of our equipment dates back to the 1960s and 1970s; we cannot make products that compete with foreign products, _______ we can buy the necessary technology.   A．unless B．while C．once D．if22．If nothing ______, the oceans will turn into fish deserts.   A．is done B．has done C．will be done D．does23．________ little chicks remain in the nest, they are completely dependent on their parents for food.   A．Even though B．As long as C．Until D．Unless24．A man can fail many times, but he isn't a failure _______ he begins to blame somebody else.   A．while B．unless C．because D．once25．Hardly      the bus suddenly pulled away.   A．they had got to the bus stop than B．they got to the bus stop thanC．did they get to the bus stop when D．had they got to the bus stop when26．She hasn't got any hobbies____ you call watching TV a hobby.   A．when B．unless C．until D．once27．All of our equipment dates back to the 1960s and 1970s; we cannot make products that compete with foreign products,       we can buy the necessary technology.   A．unless B．while C．once D．if28．—I feel like ________ for a walk. Will you go with me?—If Mary goes, ________.A．to go; so will I B．to go; so do IC．going; so will I D．going; so do I29．If you can do these things by the time you ________ college, you'll do well in the test of college life.A．will go to B．went to C．go to D．have gone to30．If our marketing plan succeeds, we _______ the sales by thirty percent next year.A．would increase B．will increase     C．would have increased D．will be increasing31．You will be able to produce high quality reports ______ you are committed and never give up.A．as though B．even if C．as long as D．in case32．The law of market shows _______ a product becomes rare to reach, its price will certainly rocket.   A．unless B．once C．though D．since33．You're going to miss the bus _____ you hurry.  A．if B．as C．though D．unless34．________a teacher has given permission is a student allowed to enter the classroom.A．If only B．Only if C．As if D．Even if35．Magic shows are interesting ______ the audience does not discover how the tricks are done.   A．as long as B．so that C．as if D．ever since36．Some developing countries will feel the economic squeeze and fail to focus on long-term development to end poverty, _______ heavy debts remain.A．unless B．though C．even if D．provided that37．I was about ______ the classroom ______ the head teacher stopped me.   A．leaving；when B．leave；whileC．to leave；when D．to leaving；while38．The government calls on us to avoid visiting crowded areas and medical institutions ______it is necessary.    A．while B．because C．unless D．when39．We can choose to be happy if we want, ______ we can look at everything in a positive way.   A．for fear that B．as long as C．in case D．even if40．________ I live，I will never give in to the enemy.A．As far as B．As long as C．As well as D．As soon as41．The beast said that the made a promise ________ anyone released him from the cage, he would make his wish come true.   A．that B．when C．that if D．if42．It is difficult for us to imagine the beauty of Jiuzhaigou, ______ we have been there in person.   A．when B．if C．unless D．in case43．—As is reported, retirement age should be put off immediately.— Easier said than done.We take ___________all factors into consideration, we shall be faced with some other social problems.A．unless B．until C．if D．once44．—Dad, I'd like to take a gap year to China.  —Good idea, ___you can afford the time.A．provided that B．in case C．even if D．so that45．There is no goal that you cannot obtain ___ you have an honest attitude and a strong will.   A．even if B．so that C．except that D．as long as46．We'll have a picnic near the river tomorrow           it rains heavily.   A．until B．unless C．if D．when47．There can be no equality of opportunity ______ everyone follows the rules at their own game.  A．if B．unless C．once D．since48．_________  my heart still beats, I will go on working for the people.   A．As soon as B．As far as C．As long as D．As much as49．You will never achieve success _______ you keep working hard.  A．when B．if C．unless D．because50．Change is just an empty word       you have the experience to do something to get it done．A．though B．unless C．after D．when
答案解析部分1．C2．B3．D4．B5．C6．A7．B8．C9．D10．C11．A12．B13．D14．C15．C16．A17．B18．D19．B20．B21．A22．A23．B24．B25．D26．B27．A28．C29．C30．B31．C32．B33．D34．B35．A36．D37．C38．C39．B40．B41．C42．C43．A44．A45．D46．B47．B48．C49．C50．B