初三英语原因状语从句重点易错题.pdf

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1、1 (每日一练)初三英语原因状语从句重点易错题 单选题 1、Simon didnt finish his homework yesterday _ he had a headache.AwhenBsoCifDbecause 答案：D 解析：句意：西蒙昨天没有完成作业，因为他头痛。A.when 当时；B.so 所以；C.if 如果；是否；D.because 因为。根据 he had a headache.是西蒙没有完成作业的原因，故选 D。2、Jim didnt go to school yesterday,did he?Yes,_ he was ill.Abecause Balthough C

2、so Dand 答案：A 解析：句意：吉姆昨天没去上学，是吗？是的，因为他病了。考查连词辨析。because 因为，表原因；although 尽管，表让步；so 所以，表结果；and 和，表并列。根据语境可知，“he was ill”是“Jim didnt go to school yesterday”的原因，需用 because 引导原因状语从句，故选 A。3、The sky is much bluer _ we have taken action to protect the environment.AbecauseBbeforeCuntilDunless 2 答案：A 解析：句意：天空更

3、蓝了，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。4、Uncle Li is afraid that the skill of sugar paintings will be lost in the future _ few people make sugar paintings by hand.AuntilBsoCalthoughDbecause 答案：D 解析：句

4、意：李大叔担心以后糖画的技艺会丢失，因为很少有人用手工做糖画。考查连词。until 直到；so 因此；although 虽然；because 因为；空格前后句之间是因果关系，属于“前果后因”结构，此处应用 because 引导原因状语从句，故选 D。5、Bob went to school earlier this morning_ he is on duty today.AifBbecauseCbeforeDso 答案：B 解析：句意：鲍勃今早去学校比之前早，因为他今天值日。考查连词词义辨析。if 如果（引导条件状语从句）；because 因为（引导原因状语从句）；before 在之前（引导

5、时间状语从句）；so 因此（表示因果）。分析空格前后句句意可知，表示“因为值日，所以去学校早”，表示原因。故选 B。6、I dont eat hamburgers I dont think theyre healthy.AbecauseBbutCsoDafter 3 答案：A 解析：句意：我不吃汉堡包，因为我认为它们不健康。考查连词辨析。because 因为，表示因果关系；but 但是，表示转折；so 因此、所以，表示因果关系；after在之后。根据题干可知，后半句“我认为它们不健康”是前半句“我不吃汉堡包”的原因，所以用 because 连接，故选 A。7、-Why were you lat

6、e for school this morning?-I was ill,and had to see a doctor first.AAsBSinceCBecauseDFor 答案：C 解析：句意：你今天早上为什么上学迟到？因为我病了，必须先去看医生。本题考查连词的辨析。A.As 由于；B.Since 自从；C.Because 因为；D.For 因为，由于。因为前面提问的疑问代词是“why”，所以用 because 来作答，解释迟到的原因，故选 C。8、_ its your first visit to Britain,youd better not miss its famous muse

7、ums.ASinceBWhenCAs soon asDAlthough 答案：A 解析：句意：既然这是你第一次来英国，你最好不要错过它著名的博物馆。考查连词辨析。Since 既然；When 当的时候；As soon as 一就；Although 尽管，虽然。根据下文“youd better not miss its famous museums.”可知，上文是表示原因，这里用 since 引导。根据题意，故选 A。9、Some students had to give up their hobbies _ they were busy with their school work.4 Awhi

8、leBbecauseCthoughDuntil 答案：B 解析：句意：一些学生不得不放弃他们的爱好，因为他们忙于学业。考查连词辨析。while 在期间；because 因为；though 尽管；until 直到为止。根据“Some students had to give up their hobbies”可知，学生放弃了爱好，是因为他们忙于学业。故选 B。10、Why was he late,Tom?He was late _ his clock didnt work,not _ the bad weather.Abecause;because ofBbecause of;because Cbecause;becauseDbecause of;because of 答案：A 解析：句意：汤姆，为什么他迟到了？他迟到是因为他的钟不工作了，不是因为天气不好。考查连词和介词短语。because 因为，接原因状语从句；because of 因为，接名词。根据“his clock didnt work”可知是原因状语从句，用连词 because 引导从句。根据“the bad weather”可知是名词短语，用介词短语 because of。故选 A。