The bark of some species of oak trees yields substance used in ____ leather.

试卷相关题目

• 1Another advertisement has been stopped________ on TV for its ________ text.

  A.from appearing; badly written

  B.from being broadcast; badly written

  C.to appear; bad written

  D.appearing; bad writing

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• 2There are some books ________ the subject in the library, which are ________ to the students.

  A.of ;useless

  B.on ;great helpful

  C.about ;good

  D.on ;of much value

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• 3We are going to stay at ________ hotel as we did last year.

  A.such

  B.the same

  C.that same

  D.such a

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• 4“Five ________ to four is nine,”the pupil answered.

  A.adding

  B.added

  C.adds

  D.is added

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• 5In the past, ice used to ______ used to ______ the air in a room.

  A.be; cool

  B.be; cooling

  C.being; cool

  D.being; cooling

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• 6When I hurried to the station, there happened ______ no bus at that time.

  A.to have

  B.to be

  C.having

  D.being

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• 7The book, ________ for beginners, is popular with students.

  A.designs

  B.designing

  C.designed

  D.to design

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• 8All the children thought the animal could ________.

  A.keep alive

  B.be kept alive

  C.keep living

  D.That hopes

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• 9When you are using gas, ________ that one of the windows is open.

  A.be sure

  B.make sure

  C.check

  D.B or C

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• 10Aunt Liu is busy ________ breakfast for us.

  A.preparing

  B.preparing for

  C.prepared

  D.prepared for

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