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1、（每日一练）人教版初三英语条件状语从句基础知识题库单选题1、一I hope I can take part in the game show Who is Still Standingacd win something.一Stop daydreaming. You will win nothing you spend a few months preparing for it.A . sinceB . unlessC . ifD . until答案：B解析：句意：我希望我能参加这个游戏节目一站到底并赢点什么。别做白日梦了。除非你花费几个月的 时间准备，否则不会赢得什么的。考查连词辨析。sinc
2、e既然；unless除非，相当于if not ； if如果；until直到。根据题干“You will win nothingyou spend a few months preparing for it,可知是条件状语从句；if不合语境,故选Bo2、一Anna, you will fail the exam you work hard.一You are right. I must work hard from now on.A . ifB . forC . unlessD . or答案：C解析：句意：Anna,除非你努力学习，否则你会考试不及格。你说得对。我必须从现在努力学习。考查连词辨析。
3、if如果；for因为；unless除非；or或者。根据you will fail the examyou work hard可知, 除非努力学习，否则就会不及格，用unless引导条件状语从句，故选C。3、 you leave now, you II miss the last bus.一Thanks for telling me. T II leave at once.A . IfB . UnlessC . When答案：B解析：句意：除非你现在走，否则你会错过末班车。谢谢你告诉我。我马上就走。考查连词辨析。If如果；Unless除非；When当时。you leave now是you II
4、miss the last bus的否定条件，用unless引导条件状语从句，故选B。4、一You won t be successful you work hard.I will try my best.A . ifB . unlessC . as long as答案：B解析：句意：如果你不努力，你就不会成功的。我会尽力的。考查连词。if如果；unless如果不；as long as只要。根据You won* t be successful.n可知，此处应用unless, 表示“如果不努力，你就不会成功”。故选B。5、一The film Nezha is so wonderful. You
5、shouldn1 t miss it.If I time, I it.A . will have; will seeB . have; will seeC . will have; seeD . have; see答案：B解析: 句意：哪吒这部电影太精彩了。你不应该错过它。如果我有时间我就看。考查动词时态。if引导的条件状语从句中，主从句时态遵循“主将从现原则，即主句用一般将来时，从句用 一般现在时。故选Bo6、Bob promises to join in the football match he has to help his parents on the farm.A . ifB .
6、asC . unlessD . when答案：C解析：句意：鲍勃许诺要参加足球比赛，如果他不必在农场帮他父母的话。考查连词。if如果；as因为；unless如果不,除非;when当时候。根据uhe has to help his parents on the farm可知表示条件“如果他不必在农场帮他父母的话”，用连词unless相当于if not。故选C。7、Tom won t make any progress he studies harder than before.A . ifB . whenC . unlessD . because答案：C解析：句意：汤姆不会取得任何进步,除非他比
7、以前更努力学习。考查连词词义辨析。if如果，弓I导条件状语从句；when当的时候，弓I导时间状语从句；unless除非，弓I导 条件状语从句；because因为，引导原因状语从句。分析主句和和从句含义，这里指除非他比以前更努力学习, 所以用unless引导条件状语从句。故选C。8、一I think the weather will be sunny,if s raining now.if s fine, T II have a picnic with you then.A . though; IfB . but; BecauseC . though; As答案：A解析：句意：我想天气会是晴天，
8、虽然现在在下雨。如果可以的话，我就和你去野餐。考查连词辨析。though虽然；If如果；but但是；Because因为；As当时。分析11 think the weather will be sunny, .it1 s raining now.n 可知，前后两句构成让步关系,用 though 连接。it s fine是,T II have a picnic with you then的条件,用if引导条件状语从句。故选A。9、I always sleep with my windows open it is very cold outside.A . ifB . unlessC . since
9、D . because答案：B解析：句意：除非外面很冷，否则我总是开着窗户睡觉。考查连词。if如果；unless除非；since自从；because因为。根据前后句意可知,此处指的是“除非外面很冷, 否则我总是开着窗户睡觉”，故应用unless引导条件状语从句。故选B。10、 Frank improves his IT skills, he can get a good job.A . IfB . AsC . WhileD . Although答案：A解析：句意：如果弗兰克提高了他的IT技能，他就能找到一份好工作。考查连词辨析。If如果；As因为；While在期间；Although虽然。根据“
10、 he can get a good job可知,此 处使用if引导条件状语从句，即：如果他能提高技能，就能够找到好工作。故选A。11、We will go for a picnic it is sunny tomorrow.A . whenB . whetherC . ifD . while答案：C解析：句意：如果明天天气好，我们就去野餐。考查从属连词辨析。when当时;whether是否；if是否,如果；while当时候。it is sunny tomorrow 是“We will go for a picnic”的条件,用if引导条件状语从句。故选C。12、You are not sup
11、posed to enter the teachers* officesA . if you are allowed in.B . unless you are allowed in.C . when you are asked to come in.D . that you have some questions.答案：B解析：句意：除非你得到允许，否则你不应该进入老师的办公室。考查条件状语从句。if you are allowed in.如果你得到允许；unless you are allowed in.除非你得到允许；whenyou are asked to come in.当你被要求进来的时候；that you have some questions你有一些问题。根据主句 uYou are not supposed to enter the teachers* offices可知，从句应是：除非你得到允许，故空处应是unless,除非、如果不，引导的条件状语从句。故选B。