1、1 (每日一练每日一练)2022)2022 届初中英语原因状语从句知识集锦届初中英语原因状语从句知识集锦 单选题 1、I didnt buy it _ I didnt like the colour.AuntilBsoCifDbecause 答案:D 解析:句意:我没有买它因为我不喜欢它的颜色。考查连词辨析。until 直到;so 所以;if 如果;because 因为。分析“I didnt buy itI didnt like the colour.”可知,不喜欢颜色是原因,所以用 because 引导原因状语从句。故选 D。2、_ the COVID-19 is still spreadi
2、ng rapidly,getting a vaccine(疫苗)is quite necessary.ABeforeBSinceCAlthoughDunless 答案:B 解析:句意:由于新型冠状病毒仍在快速传播,接种疫苗是非常必要的。考查连词辨析。before 在之前;since 由于;although 尽管;unless 除非。根据“the COVID-19 is still spreading rapidly,getting a vaccine(疫苗)is quite necessary”可知,“新型冠状病毒仍在快速传播”是接种疫苗的原因,用since 引导原因状语从句,故选 B。3、S
3、tores are not allowed in primary schools_they often sell kids the food with high-fat,high-sugar,and high-salt.2 AsoBbecauseCthoughDunless 答案:B 解析:句意:商店在小学是不允许的,因为他们经常向孩子们出售含有高脂肪、高糖和高盐的食物。考查连词辨析。so 所以;because 因为;though 虽然;unless 除非,根据前面的 Stores are not allowed in primary schools 和后面的 they often sell
4、kids the food with high-fat,high-sugar,and high-salt 可知,应该是因为,故选 B。小提示:because 和 because of 都是“因为”的意思,区别如下:because 后面接句子;because of 后面接名词或名词短语。例如:He is late for school,because he gets up late.他迟到了,因为他起晚了。The sports meeting is put off because of the heavy rain.因为大雨,运动会被推迟了。4、I hate traveling by air_y
5、ou usually have to wait for hours before the plane takes off.AbecauseBthoughCuntilDso that 答案:A 解析:句意:我讨厌坐飞机旅行,因为通常要等上几个小时才能起飞。A.因为,B.虽然,C.直到,D.为了,表目的。根据前后句子之间关系可知,有因果关系,故选 A。小提示:这四个选项都是连词,但是意思和用法各不相同。because 因为,引导原因状语从句;though 虽然,尽管,引导让步状语从句,类似的词还有 although,even though,even if;until 常和 not 连用,not.u
6、ntil意思是直到.才.,引导时间状语从句;so that 为了,表示目的,引导目的状语从句。3 5、Im really proud of my group _ we won the match by working together.How important the teamwork is!AbutBsoCbecauseDor 答案:C 解析:句意:我真的为我的团队感到骄傲,因为我们通过合作赢得了比赛。团队合作是多么重要!考查连词辨析。but 但是;so 所以;because 因为;or 或者。根据“Im really proud of my group.we won the match
7、by working together.”可知感到骄傲是因为通过合作赢得了比赛,故选 C。6、She had a stomachache she ate something bad.AsoBbecauseCorDalthough 答案:B 解析:本题的含义是她肚子疼,她吃了坏东西应该是肚子疼的原因,because 表示原因,故选 B。7、_ the COVID-19 is still spreading rapidly,getting a vaccine(疫苗)is quite necessary.ABeforeBSinceCAlthoughDUnless 答案:B 解析:句意:由于 COVI
8、D-19 仍在迅速传播,接种疫苗是非常必要的。考查连词辨析。before 在以前,引导时间状语从句;since 由于,引导原因状语从句;although 尽管,引导让步状语从句;unless 除非,引导条件状语从句。分析语境可知,前半句是一个原因状语从句,空处表示“由于”。故选 B。4 8、I like English _its interesting.AbecauseBbeforeCafterDwhen 答案:A 解析:句意:我喜欢英语,因为它是有趣的。本题考查状语从句。because 因为,before 在之前,after 在之后,when 在时候。结合句意,前半句表示我喜欢英语,后半句表
9、示它是有趣的,前后表示因果关系,用连词 because。故选 A。9、The local snack tastes spicy and sweet.Well,_ you are here,why not have a try?AsinceBbecauseCthoughDunless 答案:A 解析:句意:当地的小吃尝起来又辣又甜。嗯,既然你在这里,为什么不试一下呢?考查从属连词辨析。since 既然;because 因为;though 虽然;unless 除非。根据句意可知,这里表达的意思是“既然你在这里,为什么不试一下”,是 since 引导的原因状语从句。故选 A。10、My father
10、 didnt go to work yesterday _ I was ill.AbecauseBbecause ofCifDso 答案:A 解析:句意:因为我生病了,我的父亲昨天没有去上班。A.because 因为;后加句子;B.because of 由于的原因,后加名词,代词,动名词;C.if 如果;D.so 因此。根据“I was ill.”可知这里用 because 引导的原因状语从句。根据题意,故选 A。5 11、Tom isnt feeling very well.He seems to have a cold _ the weather changes suddenly.Abef
11、oreBsoCbecauseDbecause of 答案:C 解析:句意:汤姆感觉不太舒服。因为天气突然变了,他好像感冒了。考查连词。A.before 在之前;B.so 因此,引导并列句,前句表原因,后面跟结果;C.because 因为,引导原因状语从句;D.because of 因为,介词短语,后面跟名词,名词性短语或代词。根据常识可知“他好像感冒了”的原因是“因为天气突然变了”,the weather changes suddenly 是从句,可知用 because;故选 C。12、_ do you like animals?_ they are cute.AWhy;BecauseBWhy
12、;SoCWhat;BecauseDWhat;So 答案:A 解析:句意:你为什么喜欢动物?因为它们可爱。考查特殊疑问句和连词。why 为什么;what 什么;because 因为;so 因此。根据“they are cute”可知询问的是喜欢动物的原因,用疑问词“why”。回答表达“因为”用连词“because”。故选 A。13、I like English _ English is very important.AbutBorCsoDbecause 答案:D 解析:句意:我喜欢英语,因为英语很重要。考查连词辨析。but 但是;or 或者;so 所以;because 因为。根据前后两句的逻辑,可知此处表示原因,应该6 用 because 引导原因状语从句,故选 D。