private cars are bringing us convenience, they may also cause traffic accidents and pollution.
A．WhenB．SinceC．whileD．As
C
句意:盡管私人車輛給我們帶來(lái)了方便，然而他們也可能引起了交通事故和污染。while雖然，盡管。所以選C。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Every time_____they met, they would talk several hours together about all of the situations_____ appear in the working world.
A．that; whenB．when; whereC．which;whatD．/; that

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

—Must I turn off the gas after cooking?
—Of course, you can never be ____careful with that．
A．enoughB．very C．soD．Too

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Since time began, it seems, people have been putting off______they______have done today, scolding themselves in the meantime．
A．that, mustB．that, shouldC．what, couldD．what, would

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Some scientists believe that         is no doubt         a cure for AIDS will be found.
A．it; thatB．it; whetherC．there; thatD．there; whether

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Some people are worrying about the possibility ________ mobile phones could be responsible for a range of illnesses, from rashes(皮疹) to brain tumors．
A．thatB．whyC．howD．whether

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The possibility _________ we won’t produce enough goods troubles everyone here.
A．whichB．thatC．whoD．where

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

_______seems to be no possibility ______Li Hua can win the first prize in the 100 – meter race.
A．It; thatB．There; thatC．There; whetherD．It; whether

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

_____when she started complaining.
A．Scarcely did he arriveB．Hardly had he arrived
C．No sooner had he arrivedD．Not until he arrived

查看答案和解析>>

同步練習(xí)冊(cè)答案