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科目： 來源：不詳 題型：單選題

______ nobody was very enthusiastic about it, they decided to cancel the trip.
A．See thatB．Seeing thatC．So D．When

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科目： 來源：不詳 題型：單選題

Just as the tree is the unit of a forest and the book the unit of a library, ______ the molecule is the unit of matter.
A．a(chǎn)sB．likeC．soD．thus

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科目： 來源：不詳 題型：單選題

Anyone can borrow books from this library _______ he keeps them clean and returns them in time.
A．even ifB．unlessC．so thatD．a(chǎn)s long as

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科目： 來源：不詳 題型：單選題

Mother shut the window ______ she might keep the insects out.
A．becauseB．in order thatC．tillD．a(chǎn)s

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科目： 來源：不詳 題型：單選題

They agreed to rent the house ______ the roof should be repaired.
A．on condition thatB．a(chǎn)s soon asC．whenD．unless

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科目： 來源：不詳 題型：單選題

The old woman has loved Tom _____ he were her son.
A．becauseB．a(chǎn)sC．ifD．a(chǎn)s though

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科目： 來源：不詳 題型：單選題

Substances will expand or contract ______ heated or cooled, but this is not the case with water.
A．when they will beB．if they will be
C．a(chǎn)s they beingD．when

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科目： 來源：不詳 題型：單選題

It will not be long _____man can harness the solar energy and make it serve mankind.
A．sinceB．beforeC．whenD．a(chǎn)fter

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科目： 來源：不詳 題型：單選題

It was found that although the girl could perceive things with her fingers, this ability ceased _____ her hands were wet.
A．the moment whenB．the momentC．in that momentD．before

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科目： 來源：不詳 題型：單選題

_____ human beings live in great numbers, the waters are very likely to become contaminated.
A．ThatB．WhereC．Even ifD．Though

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