2024年中考英语 原因状语从句&专项练习

原因状语从句&专项练习 一．定义：原因状语从句是用来解释某事发生的原因的从句。常见的引导词有：because（因为），since（既然，由于），as（由于）等。 二．连词： 1.because：语气最强，用来回答“why（为什么）”的提问，通常表示直接的原因。 例如：I was late because I missed the bus. （我迟到了因为我错过了公交车。） 2.since：语气比 because 稍弱，侧重主句，通常表示已知的、显然的理由。 例如：Since you are not feeling well, you'd better stay at home. （既然你身体不舒服，你最好待在家里。） 3.as：语气较弱，较口语化，所表示的原因比较明显。 例如：As it was getting late, I decided to go home. （由于天色渐晚，我决定回家。） 专项训练 一、单项选择 1.—Why were you late for class today? —______ I got up late. A. Because B. Since C. As 2.______ you are busy, I won't trouble you. A. Because B. Since C. As 3.______ it was raining hard, we stayed at home. A. Because B. Since C. As 4.I didn't go to the party ______ I had too much homework to do. A. because B. since C. as _5._____ everyone is here, let's start the meeting. A. Because B. Since C. As 二、完成句子 1.因为下雨，我们没去公园。 We didn't go to the park ______ ______ the rain. 2.既然你知道错了，就应该改正。 ______ you know you are wrong, you should correct it. 3.由于天气不好，我们推迟了旅行。 ______ the bad weather, we put off the trip. 4.他因为生病没来上学。 He didn't come to school ______ ______ his illness. 5.因为交通堵塞，我迟到了。 I was late ______ ______ the traffic jam. 三、句型转换 1.I was late because my bike was broken. （对划线部分提问） ______ ______ you late? 2.Since he is ill, he can't go to school. （改为同义句） He can't go to school ______ he is ill. 3.As she was very tired, she went to bed early. （改为同义句） She was very tired, ______ she went to bed early. 4.We didn't go swimming because it was very cold. （改为同义句） It was very cold, ______ we didn't go swimming. 5.Because of the heavy rain, they stayed at home. （改为同义句） The heavy rain ______ them ______ at home. 答案： 一、单项选择 A B C A B 二、完成句子 because of Since Because of because of because of 三、句型转换 Why were because so so made; stay 学科网（北京）股份有限公司 $$