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科目： 來源：不詳 題型：單選題

It is pretty well understood __________controls the flow of carbon dioxide in and out the atmosphere today.
A．thatB．whenC．whatD．how

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科目： 來源：不詳 題型：單選題

There is a new problem involved in the popularity of private cars ____________ road conditions need ____________.
A．that; to be improvedB．which; to be improvedC．where; improvingD．when; improving

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科目： 來源：不詳 題型：單選題

______ made the school proud was ______ more that 90% of the students had been admitted to key universities.
A．What…becauseB．What…thatC．That…whatD．That…because

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科目： 來源：不詳 題型：單選題

The road is covered with snow. I can’t understand ________ they insist on going by motor-bike.    
A．whyB．whetherC．whenD．how

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科目： 來源：不詳 題型：單選題

A modern city has been set up in ________ was a wasteland ten years ago .
A．whatB．whichC．ThatD．where

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科目： 來源：不詳 題型：單選題

After Yang Li Wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space. 
A．whereB．whatC．that D．How

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科目： 來源：不詳 題型：單選題

The other day, my brother drove his car down the street at ________ I thought was a dangerous speed. 
A．a(chǎn)sB．whichC．whatD．That

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科目： 來源：不詳 題型：單選題

Along with the letter was his promise ________ he would visit me this coming Christmas.
A．whichB．thatC．whatD．whether

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科目： 來源：不詳 題型：單選題

I have always been honest and straightforward , and it doesn't matter_______I'm talking to.
A．Who is itB．who it isC．it is whoD．it is whom

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科目： 來源：不詳 題型：單選題


Parents are taught to understand ________ important education is to their children’s future.     
A．thatB．howC．suchD．So

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