摘要：He didn't come to school yesterday _ he was ill.（他昨天没来上学，因为他病了。）

中考英语原因状语从句学霸必做易错陷阱测试题及参考答案解析：

测试题

1. He didn't come to school yesterday _ he was ill.（他昨天没来上学，因为他病了。）

A. because of B. because C. as D. for

2. _ you are here, you can help me with my English.（既然你在这儿，你可以帮我学英语。）

A. Since B. As C. For D. Because

3. I didn't go to the party last night, _ I had a lot of work to do.（我昨晚没去参加派对，因为我有很多工作要做。）

A. for B. because C. as D. since

4. _ it is raining hard, we have to stay at home.（由于雨下得很大，我们不得不待在家里。）

A. As B. Because of C. For D. Since

5. The boy was late for school _ his bike was broken.（这个男孩上学迟到了，因为他的自行车坏了。）

A. because B. as C. since D. for

6. _ everyone is here, let's start the meeting.（既然大家都到了，我们开始开会吧。）

A. Since B. As C. For D. Because

7. He was absent from class _ he was ill.（他缺课是因为他生病了。）

A. because B. as C. since D. for

8. _ you have finished your homework, you can watch TV.（既然你已经完成了作业，你可以看电视。）

A. Now that B. As C. Since D. For

9. I like the city better than the country _ I can have more fun in the city.（我喜欢城市胜过乡村，因为我在城市里可以有更多乐趣。）

A. in that B. because C. as D. since

10. The doctor looks tired and sleepy _ he has been working all night.（医生看起来又累又困，因为他整晚都在工作。）

A. because B. as C. since D. for

11. _ it was very cold, he went out without a coat.（虽然天气很冷，但他没穿外套就出去了。本题考查让步状语从句，干扰项为原因状语从句引导词。）

A. Although B. Because C. As D. Since

12. We didn't go to the park _ the bad weather.（我们没去公园是因为天气不好。）

A. because of B. because C. as D. for

13. _ you are in poor health, you should not stay up late.（因为你身体不好，你不应该熬夜。）

A. As B. Since C. Because D. For

14. He couldn't come to the party _ he had to look after his sister.（他不能来参加派对，因为他得照顾他妹妹。）

A. because B. as C. since D. for

15. _ the traffic was heavy, we were late for school.（由于交通拥堵，我们上学迟到了。）

A. As B. Because C. Since D. For

16. She didn't go to school _ she was ill.（她没去上学，因为她生病了。）

A. because B. as C. since D. for

17. _ you have known the truth, you should tell him.（既然你已经知道了真相，你应该告诉他。）

A. Now that B. As C. Since D. For

18. The teacher was angry _ the students were late again.（老师很生气，因为学生们又迟到了。）

A. because B. as C. since D. for

19. I didn't buy the book _ I didn't have enough money.（我没买那本书，因为我没有足够的钱。）

A. because B. as C. since D. for

20. _ it is Sunday, we don't have to go to school.（因为今天是星期天，我们不用去上学。）

A. As B. Since C. Because D. For

21. He was late for school _ the traffic jam.（他上学迟到是因为交通堵塞。）

A. because of B. because C. as D. for

22. _ you are a student, you should study hard.（既然你是学生，你就应该努力学习。）

A. since B. As C. For D. Because

23. I like reading books _ I can learn a lot from them.（我喜欢读书，因为我能从中学到很多东西。）

A. because B. as C. since D. for

24. _ the weather is fine, we will go for a picnic.（如果天气好，我们就去野餐。本题考查条件状语从句，干扰项为原因状语从句引导词。）

A. If B. because C. As D. Since

25. She was late for work _ she got up late.（她上班迟到是因为她起床晚了。）

A. because B. as C. since D. for

26. _ you have a chance, you should make full use of it.（既然你有机会，你就应该充分利用它。）

A. Now that B. As C. Since D. For

27. The little boy cried _ he lost his toy.（小男孩哭了，因为他丢了他的玩具。）

A. because B. as C. since D. for

28. _ it was raining, we didn't go to the zoo.（因为下雨，我们没去动物园。）

A. As B. Because C. Since D. For

29. He was very tired _ he had worked for a long time.（他很累，因为他工作了很长时间。）

A. because B. as C. since D. for

30. _ you are my friend, I will help you.（因为你是我的朋友，我会帮助你。）

A. Because B. As C. Since D. For

31. I didn't go to the cinema _ I had seen the film before.（我没去看电影，因为我以前看过这部电影。）

A. because B. as C. since D. for

32. _ the night was dark, we had to walk slowly.（由于夜晚很黑，我们不得不走得很慢。）

A. As B. Because C. Since D. For

33. She didn't come to the party _ she was too busy.（她没来参加派对，因为她太忙了。）

A. because B. as C. since D. for

34. _ you have finished your work, you can go home.（既然你已经完成了工作，你可以回家了。）

A. Now that B. As C. Since D. For

35. The old man is in good health _ he often exercises.（这位老人身体很好，因为他经常锻炼。）

A. because B. as C. since D. for

36. _ it is very hot today, we should stay indoors.（因为今天很热，我们应该待在室内。）

A. As B. Because C. Since D. For

37. He didn't answer my question _ he didn't hear me.（他没有回答我的问题，因为他没听见我说话。）

A. because B. as C. since D. for

38. _ you are tired, you should have a rest.（因为你累了，你应该休息一下。）

A. As B. Since C. Because D. For

39. The flowers died _ there was no water.（花死了，因为没有水。）

A. because B. as C. since D. for

40. _ you have passed the exam, you can relax.（既然你已经通过了考试，你可以放松了。）

A. Now that B. As C. Since D. For

参考答案及解析

1. 答案：B。解析：回答“没来上学”的直接原因用because，后接句子，而because of后接名词、代词等。

2. 答案：A。解析：since表示“既然”，强调已知的事实，引导的从句通常放在句首。

3. 答案：B。解析：说明“没去派对”的直接原因，用because语气最强，且主从句因果关系明确。

4. 答案：A。解析：as表示“由于”，所引导的从句常位于主句之前，一般说明因果关系，着重点在主句。

5. 答案：A。解析：“自行车坏了”是“上学迟到”的直接原因，用because引导原因状语从句。

6. 答案：A。解析：since引导原因状语从句，强调大家都到了这一已知事实，引出后面开会的结果。

7. 答案：A。解析：“生病”是“缺课”的直接原因，用because表达直接的因果关系。

8. 答案：A。解析：now that表示“既然”，强调新情况的出现促成了后面“可以看电视”这一结果。

9. 答案：A。解析：in that表示“因为”，多指由于某一方面的原因或理由，这里指在城市能有更多乐趣这一方面。

10. 答案：A。解析：“整晚工作”是“医生又累又困”的直接原因，用because引导原因状语从句。

11. 答案：A。解析：本题考查让步状语从句，although意为“虽然”，引导让步状语从句，而不是原因状语从句。

12. 答案：A。解析：the bad weather是名词短语，用because of表示原因，because后接句子。

13. 答案：A。解析：as引导原因状语从句，可位于主句之前或之后，说明“身体不好”这个原因，附带说明不应该熬夜的理由。

14. 答案：A。解析：“照顾妹妹”是“不能来参加派对”的直接原因，用because引导原因状语从句。

15. 答案：B。解析：交通拥堵是上学迟到的直接原因，because引导原因状语从句，强调因果关系。

16. 答案：A。解析：“生病”是“没去上学”的直接原因，用because引导原因状语从句，回答why的问题。

17. 答案：A。解析：now that表示“既然”，强调已知的情况，引出“应该告诉他”的结果。

18. 答案：A。解析：“学生迟到”是“老师生气”的直接原因，用because引导原因状语从句，语气较强。

19. 答案：A。解析：“钱不够”是“没买书”的直接原因，用because引导原因状语从句，说明因果关系。

20. 答案：C。解析：“今天是星期天”是“不用上学”的直接原因，用because引导原因状语从句，强调因果关系。

21. 答案：A。解析：the traffic jam是名词短语，用because of表示“因为”，后接名词短语表示原因。

22. 答案：A。解析：since表示“既然”，强调“是学生”这一已知事实，引出“应该努力学习”的结果。

23. 答案：A。解析：“能从书中学到很多东西”是“喜欢读书”的直接原因，用because引导原因状语从句。

24. 答案：A。解析：本题考查条件状语从句，if意为“如果”，引导条件状语从句，而不是原因状语从句。

25. 答案：A。解析：“起床晚”是“上班迟到”的直接原因，用because引导原因状语从句，说明因果关系。

26. 答案：A。解析：now that表示“既然”，强调“有机会”这一情况，引出“应该充分利用”的结果。

27. 答案：A。解析：“丢了玩具”是“小男孩哭”的直接原因，用because引导原因状语从句，回答why的问题。

28. 答案：B。解析：“下雨”是“没去动物园”的直接原因，用because引导原因状语从句，强调因果关系。

29. 答案：A。解析：“工作很长时间”是“很累”的直接原因，用because引导原因状语从句，说明因果关系。

30. 答案：A。解析：“是朋友”是“会帮助你”的直接原因，用because引导原因状语从句，强调因果关系。

31. 答案：A。解析：“以前看过电影”是“没去看电影”的直接原因，用because引导原因状语从句，说明因果关系。

32. 答案：A。解析：as表示“由于”，引导原因状语从句，说明“夜晚黑”这个原因，附带说明“走得慢”的理由。

33. 答案：A。解析：“太忙”是“没来参加派对”的直接原因，用because引导原因状语从句，语气较强。

34. 答案：A。解析：now that表示“既然”，强调“完成工作”这一情况，引出“可以回家”的结果。

35. 答案：A。解析：“经常锻炼”是“身体好”的直接原因，用because引导原因状语从句，说明因果关系。

36. 答案：B。解析：“今天很热”是“应该待在室内”的直接原因，用because引导原因状语从句，强调因果关系。

37. 答案：A。解析：“没听见”是“没回答问题”的直接原因，用because引导原因状语从句，说明因果关系。

38. 答案：C。解析：“累了”是“应该休息”的直接原因，用because引导原因状语从句，强调因果关系。

39. 答案：A。解析：“没有水”是“花死了”的直接原因，用because引导原因状语从句，回答why的问题。

40. 答案：A。解析：now that表示“既然”，强调“通过考试”这一情况，引出“可以放松”的结果。

来源：蒙古元素