初二英语状语从句原因类单选题30题
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初二英语状语从句原因类单选题30题
1.She was happy because she got an A in the exam.
A.for
B.since
C.as
D.though
答案：because。
“because”表示直接的原因，“for”表示补充说明的原因，通常放在句子后面；“since”和“as”也表示原因，但语气较弱，通常翻译为“既然、由于”。
在这个句子中，“她开心是因为她在考试中得了A”，是直接的原因，所以用“because”。
2.He was late for school since he missed the bus.
A.because
B.as
C.for
D.though
答案：since。
“since”表示“既然、由于”，强调已知的事实；“because”表示直接的原因；“as”也表示原因，但语气较弱；“for”表示补充说明的原因。
在这个句子中，“他上学迟到是因为他错过了公交车”，这里强调已知的事实，所以用“since”。
3.As it was raining, we stayed at home.
A.because
B.since
C.for
D.though
答案：as。
“as”表示原因时，语气较弱，翻译为“由于”；“because”表示直接的原因；“since”也表示原因，强调已知的事实；“for”表示补充说明的原因。
在这个句子中，“由于在下雨，我们待在家里”，语气较弱，所以用“as”。
4.She didn't go to the party because she was tired.
A.since
B.as
C.for
D.though
答案：because。
“because”表示直接的原因，“since”和“as”也表示原因，但语气较弱；“for”表示补充说明的原因；“though”表示“尽管”。
在这个句子中，“她没去参加聚会是因为她累了”，是直接的原因，所以用“because”。
5.Since he is ill, he can't come to school.
A.because
B.as
C.for
D.though
答案：since。
“since”表示“既然、由于”，强调已知的事实；“because”表示直接的原因；“as”也表示原因，但语气较弱；“for”表示补充说明
的原因。
在这个句子中，“既然他生病了，他不能来学校”，强调已知的事实，所以用“since”。
6.As she loves reading, she spends a lot of time in the library.
A.because
B.since
C.for
D.though
答案：as。
“as”表示原因时，语气较弱，翻译为“由于”；“because”表示直接的原因；“since”也表示原因，强调已知的事实；“for”表示补充说明的原因。
在这个句子中，“由于她喜欢阅读，她花很多时间在图书馆”，语气较弱，所以用“as”。
7.He can't play basketball because he hurt his leg.
A.since
B.as
C.for
D.though
答案：because。
“because”表示直接的原因，“since”和“as”也表示原因，但语气较弱；“for”表示补充说明的原因；“though”表示“尽管”。
在这个句子中，“他不能打篮球是因为他伤了腿”，是直接的原因，所以用“because”。
8.Since it is Sunday, we don't have to go to school.
A.because
B.as
C.for
D.though
答案：since。
“since”表示“既然、由于”，强调已知的事实；“because”表示直接的原因；“as”也表示原因，但语气较弱；“for”表示补充说明的原因。
在这个句子中，“既然今天是星期天，我们不用去上学”，强调已知的事实，所以用“since”。
9.As it is hot, I want to eat ice cream.
A.because
B.since
C.for
D.though
答案：as。
“as”表示原因时，语气较弱，翻译为“由于”；“because”表示直接的原因；“since”也表示原因，强调已知的事实；“for”表示补充说明的原因。
在这个句子中，“由于天气热，我想吃冰淇淋”，语气较弱，所以用“as”。
10.She didn't go shopping because she had no money.
A.since
B.as
C.for
D.though
答案：because。
“because”表示直接的原因，“since”和“as”也表示
原因，但语气较弱；“for”表示补充说明的原因；“though”表示“尽管”。
在这个句子中，“她没去购物是因为她没钱”，是直接的原因，所以用“
11.She was late for school because she missed the bus.
A.because of
B.since
C.as
D.for
答案：A。
本题考查原因状语从句的连接词和短语。
“because of”后面接名词或名词短语，“because/since/as”后面接句子。
本句中“she missed the bus”是一个句子，所以不能用“because of”。
“since”和“as”通常表示已知的原因，语气比“because”弱。
“for”表示推断的原因，通常放在句末。
12.He didn't go to the party because he was ill.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“he was ill”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
13.The ground is wet because it rained last night.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“it rained last night”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
14.She can't go out because she has to finish her homework.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“she has to finish her homework”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
15.He didn't go to the concert because he had no time.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“he had no time”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
16.The flowers died because there was no water.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“there was no water”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
17.She didn't go to the park because it was raining.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“it was raining”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
18.He didn't go to the movies because he was tired.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“he was tired”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
19.The tree fell down because of the strong wind.
A.for
B.since
C.as
D.because
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“the strong wind”是名词短语，所以不能用“because/since/as”。
“for”表示推断的原因，通常放在句末。
20.She didn't go to the zoo because she was afraid of animals.
A.for
B.since
C.as
D.because of
答案：D。
“because/since/as”后面接句子，“because of”后面接名词或名词短语。
“she was afraid of animals”是一个句子，所以不能用“because of”。
“for”表示推断的原因，通常放在句末。
21.She was late for school because she missed the bus.
A.because she missed the bus
B.so she missed the bus
C.but she missed the bus
D.and she missed the bus
答案：A。
本题考查原因状语从句。
“because”引导原因状语从句，表示“因为”。
选项B 中“so”表示结果，与题干逻辑不符。
选项C 中“but”表示转折，也不合适。
选项D 中“and”表示并列，同样不符合语境。
22.He couldn't go to the party because he had too much homework.
A.because he had too much homework
B.so he had too much homework
C.but he had too much homework
D.and he had too much homework
答案：A。
“because”引导原因状语从句。
选项B 中“so”表结果错误。
选项C“but”转折错误。
选项D“and”并列错误。
23.We stayed at home because it was raining.
A.because it was raining
B.so it was raining
C.but it was raining
D.and it was raining
答案：A。
“because”引导原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
24.She didn't go shopping because she was tired.
A.because she was tired
B.so she was tired
C.but she was tired
D.and she was tired
答案：A。
“because”表原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
25.They didn't go on a picnic because the weather was bad.
A.because the weather was bad
B.so the weather was bad
C.but the weather was bad
D.and the weather was bad
答案：A。
“because”引导原因状语从句。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
26.I can't go out because I have to finish my homework.
A.because I have to finish my homework
B.so I have to finish my homework
C.but I have to finish my homework
D.and I have to finish my homework
答案：A。
“because”原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
27.He is sad because he lost his pet.
A.because he lost his pet
B.so he lost his pet
C.but he lost his pet
D.and he lost his pet
答案：A。
“because”引导原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
28.She didn't go to the concert because she didn't have a ticket.
A.because she didn't have a ticket
B.so she didn't have a ticket
C.but she didn't have a ticket
D.and she didn't have a ticket
答案：A。
“because”表原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
29.We didn't go swimming because the water was too cold.
A.because the water was too cold
B.so the water was too cold
C.but the water was too cold
D.and the water was too cold
答案：A。
“because”引导原因状语从句。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。
30.They didn't play football because it was raining heavily.
A.because it was raining heavily
B.so it was raining heavily
C.but it was raining heavily
D.and it was raining heavily
答案：A。
“because”表原因。
选项B“so”结果错。
选项C“but”转折错。
选项D“and”并列错。