【題目】_________ we don’t stop climate change, many animals and plants in the world will be gone.

A. Although B. While C. If D. Until

【答案】C

【解析】考查狀語從句。句意：如果我們不阻止氣候變化，那么世界上的很多動植物都將會消失。動植物不滅絕的前提條件是阻止氣候變化。although盡管；while當(dāng)……時候，盡管，然而；if如果；until直到。故C選項正確。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

【題目】It is not easy to get along with him, but the friendship of his, will___________ last forever.

A. once gaining B. once gained C. while gaining D. to be gained

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】

When does the train leave?

A. At 6:30. B. At 8:30. C. At 10:30.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】______, and you will work out the problem.

A.If you make a bit more effortB.Making efforts

C.A bit more effortD.There being a little effort

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】Generally there is a sharp ______ between them in their character.

A.contactB.contraryC.contractD.contrast

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】China’s high-speed railways _________ from 9,000 to 25,000 kilometers in the past few years.

A. are growing B. have grown C. will grow D. had grown

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】—Good morning, Mr. Lee’s office.

—Good morning. I’d like to make an appointment _________ next Wednesday afternoon.

A. for B. on C. in D. at

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】When will the speakers get home?

A.Around 7:00.B.Around 9:00.C.Around 9:30.

查看答案和解析>>

科目：高中英語 來源： 題型：

【題目】The officer commanded that everyone passing by ______ that day.

A. search B. would be searched

C. be searched D. must be searched

查看答案和解析>>

同步練習(xí)冊答案