【題目】We can’t keep up with the developing situation _______ we study harder .

A.ifB.untilC.unlessD.since

【答案】C

【解析】

句意:除非我們更加努力學習,否則我們跟不上發(fā)展的形勢。

考查連詞的用法。if如果;until直到;unless除非,如果不;since自從,因為。根據(jù)句意表示如果不更努力,就跟不上發(fā)展的形勢,條件狀語從句中表示如果不,用unless。故選C。

練習冊系列答案
相關(guān)習題

科目:初中英語 來源: 題型:

【題目】— Can you complete the work today?

—I am afraid not. It’s a little difficult for me to do it by myself.

A.manageB.finishC.prepare

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—Do you have any plans for the school events next year?

—I’ve no idea. I’m too busy to think about it now.

A.activitiesB.gamesC.clubs

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—Did you stay at home________last night?

—Yes. My sister went to see fireworks with my parents.

A.in factB.on dutyC.by yourself

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】I woke up with ________ bad headache , yet by the evening _______ pain bad gone .

A.a ; theB.the ; aC.a ; aD.the ; the

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Colin’s home is far from school and he ________ to school by bus every day.

A.goesB.has goneC.is goingD.will go

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】He has got a million-pound note by doing business.

A.筆記,便條B.注意C.(病假)證明D.鈔票,紙幣

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Mom won’t let Dick go out ________ he promises to be back by 10:00 tonight.

A.ifB.whenC.unless

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】The food is very delicious in that restaurant. We could go and it?

A.sellB.helpC.try

查看答案和解析>>

同步練習冊答案