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科目： 來源：不詳 題型：單選題

Do you know that a living cell can be       for a thousand years if the temperature is right?
A．sparedB．protectedC．preservedD．developed.

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科目： 來源：不詳 題型：單選題

He is amazingly cheerful considering all that he has      .
A．looked throughB．gone through
C．broken throughD．seen through

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科目： 來源：不詳 題型：單選題

Though having lived abroad for years，many Chinese still________the traditional customs.
A．perform　　　B．possessC．observe　　　D．support

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科目： 來源：不詳 題型：單選題

The teacher always waits until all the children ______ before he starts the lesson.
A．get downB．set downC．put downD．settle down

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科目： 來源：不詳 題型：單選題

Children who ______ well will be given a red flower and an apple as encouragement.
A．behaveB．proveC．showD．look

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科目： 來源：不詳 題型：單選題

While looking for a book, I ______ this old photo taken in college.
A．came intoB．came acrossC．came upD．came out

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科目： 來源：不詳 題型：單選題

Although we have only met ______, I find we have a lot in common.
A．from time to timeB．in time
C．by chanceD．over and over again

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科目： 來源：不詳 題型：單選題

I have always regretted ______ harder at school.
A．not to study B．to not study
C．having not studiedD．not having studied

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科目： 來源：不詳 題型：單選題

We have ______ the get-together until next weekend when we won’t be so busy.
A．set offB．put off C．take offD．set up

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