【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(yán)重。 —情況將會更加嚴(yán)重,除非我們采取措施來保護(hù)環(huán)境。A. if如果; B. unless除非,如果不;C. until直到……才;D. when當(dāng)……的時候。句意和詞意結(jié)合可知,選B。

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】The flood washed away many villages. , many people have nowhere to live.

A. As a result B. So that

C. As a result of D. In fact

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Kite is so interesting that we all like it.
A.fly
B.to fly
C.to flying
D.flying

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】By the time I locked the door, I realized I ________ my keys at home.

A.had repaired B.had changed

C.had forgotten D.had left

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Mary, the girl, is from England.
A.eight-year-old
B.eight years old
C.eight year old
D.eight-years-old

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—What’s wrong?

--Some pieces of glasses________ me and my arms just now. .

A. hitted; hurted B. hit; hurted C. hitted; hurted D. hit; hurt

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】To (we) surprise, he got an A in the English exam.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】– What else do you want?

-- ________ else. I think I have got everything ready.

A. Something B. Nothing

C. Anything D. Everything

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】I am used to ________ my hair in the morning.

A. wash B. washes C. washing D. washed

查看答案和解析>>

同步練習(xí)冊答案