高二英语状语从句引导词辨析练习题40题

高二英语状语从句引导词辨析练习题40题
1. I was reading a book when my mother came in.
A. while
B. when
C. as
D. since
答案解析：B。

“when”既可以表示某一时刻“当……的时候”，也可以表示一段时间“正在……的时候突然……”，这里表示某一时刻，妈妈进来的时候我正在看书。

“while”强调动作同时发生，一般用于进行时态；“as”表示“一边……一边……”或“随着”；“since”表示“自从”。

2. He had just fallen asleep when the phone rang.
A. while
B. when
C. as
D. since
答案解析：B。

同第一题，“when”表示某一时刻，电话响的时候他刚睡着。

“while”强调动作同时发生，“as”和“since”不符合语境。

3. I was about to leave as he came in.
A. while
B. when
C. as
D. since
答案解析：C。

“as”在这里表示“正当……的时候”，我正要离开的时候他进来了。

“while”强调同时进行，“when”可以表示某一时刻或一段时间，“since”表示自从。

4. She was doing her homework while her brother was playing games.
A. while
B. when
C. as
D. since
答案解析：A。

“while”强调两个动作同时进行，她在做作业的时候她弟弟在玩游戏。

“when”“as”和“since”不符合语境。

5. As time goes by, we become more and more mature.
A. while
B. when
C. as
D. since
答案解析：C。

“as”表示“随着”，随着时间的流逝，我们变得越来越成熟。

“while”“when”“since”都没有这个意思。

6. I haven't seen him since he left.
A. while
B. when
C. as
D. since
答案解析：D。

“since”表示“自从”，自从他离开后我就没见过他。

“while”“when”“as”不符合语境。

7. When I was young, I liked playing in the park.
A. while
B. when
C. as
D. since
答案解析：B。

“when”表示“当……的时候”，当我年轻的时候，我喜欢在公园玩。

“while”强调同时进行，“as”和“since”不符合语境。

8. He was watching TV as I was cooking.
A. while
B. when
C. as
D. since
答案解析：C。

“as”表示“一边……一边……”，他在看电视的时候我在做饭。

“while”也可以表示同时进行，但这里用“as”更符合语境。

“when”和“since”不符合。

9. I'll call you when I arrive.
A. while
B. when
C. as
D. since
答案解析：B。

“when”表示“当……的时候”，当我到达的时候我会给你打电话。

“while”强调同时进行，“as”和“since”不符合语境。

10. As soon as I finish my work, I will go home.
A. while
B. when
C. as soon as
D. since
答案解析：C。

“as soon as”表示“一……就……”，我一完成工作就回家。

“while”“when”“since”都不符合这个意思。

11.If it rains tomorrow, we will stay at home.
A.will rain
B.rains
C.rained
D.is raining
答案解析：B。

本题考查条件状语从句中“主将从现”的用法。

if 引导的条件状语从句用一般现在时表示将来，所以选rains。

A 选项will rain 是将来时，不符合条件状语从句的用法；C 选项rained 是过去时；D 选项is raining 是现在进行时，都不符合要求。

12.We will go camping if it is fine this weekend.
A.is
B.will be
C.was
D.would be
答案解析：A。

同样是“主将从现”，if 引导的条件状语从句用一般现在时，is fine 正确。

B 选项will be 是将来时；C 选项was 是过去时；D 选项would be 是过去将来时，都不符合条件状语从句的要求。

13.If you study hard, you will pass the exam.
A.study hard
B.will study hard
C.studied hard
D.would study hard
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，study hard 正确。

B 选项will study hard 是将来时；C 选项studied hard 是过去时；D 选项would study hard 是过去将来时，都不符合要求。

14.We will go swimming if the weather is hot.
A.is
B.will be
C.was
D.would be
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，is hot 正确。

B 选项will be 是将来时；C 选项was 是过去时；
D 选项would be 是过去将来时，都不符合要求。

15.If he has time, he will help us.
A.has
B.will have
C.had
D.would have
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，has time 正确。

B 选项will have 是将来时；C 选项had 是过去时；D 选项would have 是过去将来时，都不符合要求。

16.We will go to the park if it doesn't rain.
A.doesn't rain
B.won't rain
C.didn't rain
D.wouldn't rain
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时的否定形式，doesn't rain 正确。

B 选项won't rain 是将来时的否定形式；C 选项didn't rain 是过去时的否定形式；D 选项wouldn't rain 是过去将来时的否定形式，都不符合要求。

17.If you are careful, you won't make mistakes.
A.are careful
B.will be careful
C.were careful
D.would be careful
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，are careful 正确。

B 选项will be careful 是将来时；C 选项were careful 是过去时；D 选项would be careful 是过去将来时，都不符合要求。

18.We will have a picnic if it is sunny.
A.is
B.will be
C.was
D.would be
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，is sunny 正确。

B 选项will be 是将来时；C 选项was 是过去时；D 选项would be 是过去将来时，都不符合要求。

19.If she comes, we will be happy.
es
B.will come
C.came
D.would come
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，comes 正确。

B 选项will come 是将来时；C 选项came 是过去时；D 选项would come 是过去将来时，都不符合要求。

20.If they invite us, we will go to their party.
A.invite
B.will invite
C.invited
D.would invite
答案解析：A。

“主将从现”，if 引导的条件状语从句用一般现在时，invite 正确。

B 选项will invite 是将来时；C 选项invited 是过去时；D 选项would invite 是过去将来时，都不符合要求。

21.We were late for the meeting because the traffic was heavy.
because（ 因为）：表示直接的原因，语气较强。

此句中“因为交通拥堵”是“我们开会迟到”的直接原因。

22.She didn't go to school as she was ill.
as（由于）：通常表示较为明显的原因，语气稍弱于because。

这里“生病”是“没去上学”的原因。

23.Since you are busy, I won't trouble you.
since 既然）：表示已知的原因，强调双方都知道的事实。

此句中“你忙”是已知的原因，所以“我不打扰你”。

24.Now that he has apologized, let's forgive him.
now that（ 既然）：与since 用法类似，强调现在的情况作为原因。

“他已经道歉”是现在的情况，所以“让我们原谅他”。

25.He must be tired for he has been working hard all day.
for 因为）：是并列连词，连接两个并列句，对前面的句子进行解释说明，语气较弱。

这里“整天努力工作”解释了“他一定很累”的原因。

26.I took an umbrella with me in case it rained.
in case（ 以防）：不是原因状语从句引导词，但在这里容易与原因状语从句引导词混淆。

它表示目的是为了防止某种情况发生。

27.He is absent because of his illness.
because of 因为）：是介词短语，后面接名词、代词或动名词。

这里“他的病”是名词短语，“因为生病”是“缺席”的原因。

28.As it was raining, we stayed at home.
as 由于）：表示原因，“下雨”是“我们待在家里”的原因。

29.Since everyone is here, let's start the meeting.
since 既然）：已知的原因，“大家都在”是“开始会议”的原因。

30.Now that you have understood the problem, you can solve it.
now that 既然）：强调现在的情况作为原因，“你已经理解了问题”是“你能解决它”的原因。

31.Although he is young,he is very experienced.
A.Even though
B.Because
C.If
D.Unless
答案解析：A。

“Although”和“Even though”都可以引导让步状语从句，表示“虽然，尽管”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

32.Despite his illness,he still went to work.
A.Although
B.Because
C.If
D.Unless
答案解析：A。

“Despite”是介词，意思是“尽管”，相当于“Although”引导的让步状语从句。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

33.No matter how hard he tried,he couldn't solve the problem.
A.Even if
B.Because
C.If
D.Unless
答案解析：A。

“No matter how”引导让步状语从句，表示“无论多么……”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

34.However difficult the task may be,we must finish it on time.
A.Even though
B.Because
C.If
D.Unless
答案解析：A。

“However”引导让步状语从句，表示“无论多么……”，相当于“No matter how”。

选项B“Because”引导原因状语从句；选项
C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

35.Though he was tired,he continued working.
A.Even if
B.Because
C.If
D.Unless
答案解析：A。

“Though”和“Even if”都可以引导让步状语从句，表示“虽然，尽管”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

36.Even if it rains tomorrow,we will still go on a picnic.
A.Although
B.Because
C.If
D.Unless
答案解析：A。

“Even if”表示“即使，纵然”，引导让步状语从句。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

37.Whether it rains or shines,we will hold the sports meeting.
A.Although
B.Because
C.If
D.Unless
答案解析：A。

“Whether...or...”可以引导让步状语从句，表示“无论……还是……”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

38.Whatever difficulties we may encounter,we will never give up.
A.Even if
B.Because
C.If
D.Unless
答案解析：A。

“Whatever”引导让步状语从句，表示“无论什么”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

39.However busy he is,he always finds time to help others.
A.Even though
B.Because
C.If
D.Unless
答案解析：A。

“However”引导让步状语从句，表示“无论多么……”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。

40.Although it was cold,he went out without a coat.
A.Even if
B.Because
C.If
D.Unless
答案解析：A。

“Although”和“Even if”都可以引导让步状语从句，表示“虽然，尽管”。

选项B“Because”引导原因状语从句；选项C“If”引导条件状语从句；选项D“Unless”引导条件状语从句。