人教版初三英语原因状语从句知识汇总笔记.docx
（每日一练）人教版初三英语原因状语从句知识汇总笔记单选题1、Anna doesn1 t eat ice-cream she does" t want to be fat.A . but C . because C . so答案：B解析：本题考查原因状语从句。句意“安娜不吃冰激凌，因为他不想长胖”。A.但是；B.因为；C.所以。根据句意， 故选BoTom had to wait for his wife to come back home he had left his key in the office.A . becauseB . unlessC . until答案：A解析：句意：汤姆把钥匙忘在办公室里，只好等他妻子回来。考查连词。because 因为；unless 除非；until 直到为止。句子 "he had left his key in the office."是"Tom had to wait for his wife to come back home"的原因，因此用 because 引导。故选 A。2、 Tony never spends any money in buying book.he doesn't like reading.A . butB . becauseC . thoughD . because of解析: 句意：Tony从不花钱买书，因为他不喜欢读书。考查连词辨析。but但是；because因为，后跟句子；though尽管；because of由于，后加名词，代词，动名 词。根据下文uhe doesn't like reading"可知，此处是表示原因，且空后是完整的句子，用because引导原因 状语从句。故选B。4、I didn't go to school yesterday I was ill.A . soB . /C . thatD . because答案：D解析：句意：我昨天没有去上学，因为我生病了。根据句意理解可知，没有去上学的原因是生病了，英语当中表示原因是because,所以选择D答案。小提示：英语中连词的选择要根据句子意思来判断，如果表达因果原因，那就用because,表达因此所以就是so。5、The doctor looks tired and sleepy he stayed up late to look after his patients yesterday.A . becauseB . ifC . unlessD . until答案：A解析：句意：这个医生因为昨天熬夜照顾病人，所以看起来又累又困。考查连词用法。because因为；if如果；unless除非，如果不；until直到。根据句意，这个医生看起来又累又 困是因为昨天熬夜照顾病人，表示因为，原因。故选A。6、yellow is the colour of wisdom, it is often used in exams by students.A . WhileB . OnceC . SinceD . Though答案：C解析：句意：因为黄色是智慧的颜色，它经常被学生用在考试中。While当时候，once一旦，since因为，由于； though尽管。结合句意，黄色是智慧的颜色，这是学生考试中使用黄色的原因，故用连词since。故选C。7、John missed the morning flight he forgot to set the alarm and he got up very late.A . thoughB . whenC . ifD . because答案：D解析：句意：约翰错过了早上的航班，因为他忘记设闹钟，而且起得很晚。考查从属连词。though尽管，表让步；when当的时候，表时间；if如果，表条件；because因为，表原因。根据题干意 “John missed the morning flighthe forgot to set the alarm and he got up very late”，可知前后是 因果关系，需用because引导原因状语从句，故选D。8、I like this game if s interesting and relaxing.A . orB . soC . because答案：C解析：句意：我喜欢这个游戏因为它非常有趣、令人放松。考查连词辨析。or或者，否则；so因此，所以；because因为。根据句意可知,空后“it' s interesting and relaxing"解释了喜欢这个游戏的原因，应用because引导原因状语从句。故选C。9、everyone is here, we can begin our meeting now.A . WhenB . AfterC . UntilD . Now that答案：D解析：句意：既然每个人都在这，我们现在能开始我们的会议了。考查连词的词义辨析。When当时候；After在之后；Until直到；Now that既然,由于。根据句意每 个人都在这，我们现在能开始我们的会议了，可知，空格处表示既然，由于，now that引导原因状语从句。故 选D。10、I don' t like playing games on the computer if s boring.A . soB . andC . butD . because答案：D解析：句意：我不喜欢在电脑上玩游戏，因为它很无聊。考查连词。so因此；and和；but但是；because因为；空格前后句是因果关系，属于“前果后因”，所以用 because引导原因状语从句，故选D。11、We can't have a picnic today it is still raining now.A . becauseB . butC . andD . so答案：A解析：句意：我们今天不能去野餐，因为现在还在下雨。考查连词辨析、because原因状语从句。because因为，弓I导原因状语从句；but但是，表转折；and和，表 顺承；so因此，表因果；根据前后句子的逻辑关系，“不能去野餐”是“因为还在下雨”，后句表示前句的动作发生的原因；故选A。12、 I missed the train it rained heavily that day.A untilB . thoughC . because答案：C解析：句意：我没赶上火车，因为那天雨下得很大。考查连词。A. until直到，在以前，引导时间状语从句；B.though虽然，尽管，引导让步状语从句；C. because因为，引导原因状语从句。根据句意可知前后是因果关系, 后面的句子表示原因，可知填because ；选Co
