1、1 (每日一练每日一练)九年义务初中英语原因状语从句知识汇总大全九年义务初中英语原因状语从句知识汇总大全 单选题 1、_ she is ill,_ she has to stay at home.ABecause;butBBecause;soCBecause;/D/;but 答案:C 解析:句意:因为她病了,她不得不待在家里。考查连词辨析。because 因为,so 因此,两者不可连用;but 但是,表示转折。根据句意可知,“she is ill”是她不得不待在家里的原因,前因后果,第一空应用 because。故选 C。2、Its good to eat lots of vegetables
2、_ it helps you stay healthy.AorBbecauseCbutDalthough 答案:B 解析:句意:多吃蔬菜很好,因为它能帮助你保持健康。考查连词。or 或;because 因为;but 但是;although 尽管。根据句意可知连词前后两个句子间的逻辑是因果关系的,because 表示因果关系,故选 B。3、I didnt buy it it was too expensive.AthoughBifCwhileDbecause 答案:D 2 解析:本题考查:状语从句。选项分析:A.though 虽然;尽管。B.if 如果。C.while 虽然;然而;当的时候。D.
3、because 因为。依据 I didn t buy it,综合分析前后句,可知此处填 because 最合适,完整句意为:I didn t buy it because it was too expensive.我没有买它,因为它太贵了。正确答案为:D 4、My father was very angry with me _ I broke a window.AalthoughBso thatCbecauseDunless 答案:C 解析:句意:我父亲很生我的气,因为我打碎了一扇窗。A.although 尽管,虽然;B.so that 为了,目的;C.because 因为;D.unless
4、除非,要不然。根据上文 My father was very angry with me 可知下文是表示原因用 because。根据题意,故选 C。5、Eating fruit and vegetables every day is important,_ they are very healthy.AsoBbecauseCwhenDif 答案:B 解析:句意:每天吃水果和蔬菜很重要,因为它们非常健康。考查连词辨析及原因状语从句。so 因此;because 因为;when 当时;if 如果;是否。结合句意可知“they are very healthy.”是上一句的原因,因此用 because
5、 引导的原因状语从句。故选 B。6、Tim wants to go to sleep _he watched TV until very late last night.AwhenBbecauseCifDso 答案:B 解析:3 句意:蒂姆想去睡觉,因为他昨晚看电视看到很晚。考查连词辨析。when 何时;because 因为;if 如果;so 因此。根据“Tim wants to go to sleep”蒂姆想去睡觉,以及“he watched TV until very late last night”他昨晚看电视看到很晚,可知后面表达的是想去睡觉的原因,因此用because 连接,故选 B
6、。7、_ do you like fish?_ they are interesting.AWhy;SoBWhat;SoCWhy;BecauseDWhat;Because 答案:C 解析:句意:你为什么喜欢鱼?因为它们很有趣。考查疑问词和连词辨析。Why 为什么;What 什么;So 因此;Because 因为。根据答句“_ they are interesting.”可推出是问为什么喜欢鱼,第一空用 Why;回答以 Why 开头的特殊疑问句,要用 Because 引出原因。故选 C。8、We can play basketball and volleyball _ its clear and
7、 sunny outside.AbecauseBbutCsoDthough 答案:A 解析:句意“我们能够打篮球和排球,因为外面天气晴朗明媚”。A.因为(表示原因);B.但是(表示转折);C.所以;D.尽管(表示让步)。根据句意可知,表示原因,故选 A。9、_ everyone is here,lets start now.AEver sinceBNow thatCBecause ofDAs soon as 答案:B 4 解析:句意:既然每个人都到了,让我们现在开始吧。考查状语从句。Ever since 自从,引导时间状语从句,与现在完成时连用;now that 既然,表示原因,引导原因状语从
8、句;because of 因为,是介词短语;as soon as 一就,引导时间状语从句。根据句意,前半句表示大家都在,后半句表示让我们现在开始吧,前半句是原因,因此 now that 引导。故选 B。10、_ Clark likes animals a lot,_ he goes to the zoo on Saturday.ASo;/BBecause;soCBecause of;/DBecause;/答案:D 解析:句意:因为克拉克非常喜欢动物,所以他在周六去动物园。考查连词辨析。So 所以;Because 因为,连接句子;Because of 因为,连接名词、代词、动名词。分析句子可知,
9、前后两句构成因果关系,英文中的关联词只能二选一,前句是原因,故选 D。11、We are very proud(自豪的)_ China is great now.AbutBsoCbecause 答案:C 解析:句意:我们很自豪,因为中国现在很强大。考查连词。but 但是;so 所以;because 因为。空格前后句之间是因果关系,且前为果,后为因,所以用because 引导,故选 C。12、I dont go to the party not _ the weather but _I didnt feel well.Abecause of;becauseBbecause;because Cbe
10、cause;because ofDbecause of;because of 5 答案:A 解析:句意:我不去派对不是因为天气而是因为我感觉不舒服。考查 because of 和 because 的区别。because of 后接名词性短语或单词;because 是连词,后接句子。第一空后weather 是一个名词,故第一空填 because of;第二空后 I didnt feel well 是句子,故用 because 引导,故选 A。13、As far as I know,Jane isnt used to working here.Why not help her_shes new?A
11、thoughBuntilCasDif 答案:C 解析:句意:据我所知,Jane 还没有适应这里的工作。既然她是新来的,咱们就多帮帮她。考查连词词义辨析。though 意为“尽管,虽然”;until 意为“直到”;as 意为“既然,由于”;if 意为“如果”。根据句意理解可知,这里表达的是“既然,由于”,所以 as 符合句意,在这里引导原因状语从句,故选 C。14、The sky is much bluer _ we have taken action to protect the environment.AbecauseBbeforeCuntilDunless 答案:A 解析:句意:天空更蓝了
12、,因为我们已经采取行动保护环境。A.because 因为;B.before 在之前;C.until 直到;D.unless 除非。根据下文 we have taken action to protect the environment.可知这里是表示原因。根据题意,故选 A。15、The organizer decided to cancel the concert _ the tickets didnt sell well.AbecauseBuntilCalthoughDif 答案:A 6 解析:句意:主办方决定取消音乐会,因为票卖得不好。A.because 因为;B.until 直到;C.although 尽管;D.if 如果。根据下文 the tickets didnt sell well.可知这里是说原因。根据题意,故选 A。