【題目】—The air pollution is terrible.

It will be worse ________ we take action to protect the environment.

A. if B. unless

C. until D. when

【答案】B

【解析】

試題分析:句意:—空氣污染很嚴重。 —情況將會更加嚴重,除非我們采取措施來保護環(huán)境。A. if如果; B. unless除非,如果不;C. until直到……才;D. when當……的時候。句意和詞意結(jié)合可知,選B。

練習冊系列答案
相關(guān)習題

科目:初中英語 來源: 題型:

【題目】----I want to be _______. What should I do?

----First, you must keep _______ every day.

A. health; happy B. health; happily

C. healthy; happy D. healthy; happily

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】(2014天津)________he was very tired,he continued working in his office.

A.Since

B.Although

C.As soon as

D.Because

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】The young people try their best to achieve their (dream).

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】I would like to stay at home instead of .

A.going out B.go out C.went out D.to go out

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】一 Who is on duty today?
(my).

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】We ______ a “helping hands” meeting at our school hall ______ the afternoon of 19 May.
A.are going to be; on
B.will be; in
C.are going to have; on
D.will have; in

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】 What method can you think of _________ with these broken computers?

A. to deal B. dealing

C. deals D. Deal

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】 ---What is in that building?---__________ a meeting room and some offices.

A. There is B. There are C. That is D. These are

查看答案和解析>>

同步練習冊答案