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1 (每日一练每日一练)全国通用版初三英语条件状语从句专项训练全国通用版初三英语条件状语从句专项训练 单选题 1、_ China has controlled the virus,some people in other parts of the world still live in fear of their lives.AAlthoughBUnlessCUntil 答案:A 解析:句意:尽管中国已经控制了病毒,但世界其他地区的一些人仍然生活在对生命的恐惧中。考查连词辨析。although 虽然;unless 除非;until 直到。根据主句“some people in other parts of the world still live in fear of their lives”和从句“China has controlled the virus”之间构成转折。故选 A。2、It will be harmful to your hearing _ you always listen to music by earphone(耳机).AifBsoCandDbut 答案:A 解析:句意:如果你总是用耳机听音乐,这对你的听力是有害的。考查连词辨析。if 如果;so 因此;and 和;but 但是。根据“It will be harmful to your hearingyou always listen to music by earphone”可知,后半句是前半句成立的条件,用 if 引导条件状语从句,故选 A。3、Its going to rain.Well be wet _ we get home soon.AifBafterCwhenDunless 答案:D 2 解析:句意:要下雨了。如果我们不快点回家,我们会淋湿的。考查连词辨析。if 如果;after 在之后;when 当时;unless 除非,如果不。根据“Well be wetwe get home soon.”可知,除非快点回家,否则会淋湿,故用 unless 引导条件状语从句。故选 D。4、_ it doesnt rain tomorrow,we will go to the park.AWhatBIfCHow 答案:B 解析:句意:如果明天不下雨,我们就去公园。考查词义辨析。What 什么;If 如果;How 如何。“it doesnt rain tomorrow”是“we will go to the park”的条件,用if 引导条件状语从句,故选 B。5、If Mary _ free tomorrow,I will ask Tom instead.AdoesntBwont beCisDisnt 答案:D 解析:句意:如果玛丽明天没有空,我就去问汤姆。考查条件状语从句。本句是 if 引导的条件状语从句,遵循“主将从现”原则,从句应为一般现在时,故排除 B 选项。从句中缺少系动词,故排除 A 选项;根据“I will ask Tom instead”可知,如果玛丽没空,就去问汤姆,从句应为否定句,故排除 C 选项。故选 D。6、Labour education is necessary for students development.However,_ school put it into practice,students will never realize its importance.AalthoughBifCunlessDwhile 3 答案:C 解析:句意:劳动教育是学生发展的必要条件。然而,除非学校付诸实践,学生永远不会意识到它的重要性。考查从属连词辨析。although 虽然;if 如果;unless 除非;while 当时。“school put it into practice”是“students will never realize its importance”的否定条件,用 unless 引导条件状语从句,故选 C。7、If Jack _ the game,we will give him a surprise party.AwinsBwinCwill win 答案:A 解析:句意:如果 Jack 赢得比赛,我们就会给他举办一个惊喜派对。考查 if 引导的条件状语从句。if 引导的条件状语从句,时态遵循“主将从现”,主句是一般将来时,从句应该是一般现在时。Jack 是第三人称单数做主语,谓语动词变三单,故选 A。8、Joe,you can go to the party _ you come back before 10 oclock tonight.Aas long asBbecauseCwhenDthough 答案:A 解析:句意:Joe,你可以去参加那个派对,只要你今晚 10 点之前回来。考查连词辨析。as long as 只要;because 因为;when 当时候;though 即使。根据“you can go to the party.you come back before 10 oclock tonight.”可知,这里表示只要你 10 点之前回来,就可以去参加那个派对,故用 as long as 引导条件状语从句。故选 A。9、“You mustnt bring your mobile phones to school,_ you will be against the law,”the teacher said to the students.4 AsoBandCbutDif not 答案:D 解析:句意:老师对学生说:“你们禁止带手机到学校,如果带了手机,你们就违反了法规。”考查连词。so 因此;and 而且;but 但是;if not 不然。根据“You mustnt bring your mobile phones to school”及“you will be against the law”可知表达的是如果带了手机,表达和前一句相反的情况,是条件状语从句,用“if not”引导从句。故选 D。
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