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科目： 來源：不詳 題型：單選題

About 110 million people moved to this city. The population is ____________ as ten years ago.
A．a(chǎn)s twice largeB．twice as large C．a(chǎn)s many twiceD．twice as many

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科目： 來源：不詳 題型：單選題

---You look unhappy, what’s happening, my son?
---I’m wondering how long it’ll be________ we come to China again.
A．sinceB．whenC．beforeD．a(chǎn)fter

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科目： 來源：不詳 題型：單選題

Scientists say it may be five or six years _____ it is possible to test this medicine to human patients.
A．since B．a(chǎn)fter C．before D．when

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科目： 來源：不詳 題型：單選題

The crowd cheered wildly at the sight of Liu Xiang, who was reported, throughout the whole country, ____ the world record in the 110-meter hurdle race.
A．breakingB．having broken
C．to have brokenD．to break

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科目： 來源：不詳 題型：單選題

Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.
A．such; what; thatB．such; which; as
C．such; that; thatD．such; where; that

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科目： 來源：不詳 題型：單選題

The robot Tony was said        already in Larry’s house before he returned.
A．to test out B．to have been tested out
C．to be tested outD．to be testing out

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科目： 來源：不詳 題型：單選題

This is the first time I ______ such beautiful music .
A．heardB．a(chǎn)m hearingC．will hearD．have heard

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