【題目】Usually we don’t realize how important nature is to us ________ it is too late.

A. until B. unless C. before D. after

【答案】A

【解析】

句意:通常當(dāng)我們意識(shí)到大自然對我們有多重要性時(shí)已為時(shí)已晚。A. until直到……才;B. unless除非;C. before在……之前;D. after在……之后。not…until…直到……才,結(jié)合句意“直到太晚了我們才意識(shí)到大自然對我們的重要性”故答案為A。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:初中英語 來源: 題型:

【題目】I never saw ________ beautiful picture before.

A.such aB.so a

C.a suchD.a so

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】(題文)The edictionary is ________ to us, especially when we want to look up new words.

A. thankful B. helpful C. careful D. painful

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】__________he was badly ill yesterday, ________he went to school.

A. Although; but B. Though; but C. Although; / D. /;so

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】--I like documentaries ________ I like comedies.

--I like comedies ________ I don't like documentaries.

A. and:and B. and;but C. but;and D. but;but

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】I’m sleepy. I prefer _______ at home to going out for a walk.

A. sleeping B. to sleep C. slept D. sleep

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】She ________ a dictionary to our classroom, but I did.

A.didn't takeB.doesn't take

C.will takeD.is taking

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】How often do you write emails to your pen pal?

A. Twice a month B. Three years ago C. For two weeks D. In five days

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】We have_________ classes today and the_________ class is science.

A.six; fiveB.six; fifthC.sixth; five

查看答案和解析>>

同步練習(xí)冊答案