The ________ teacher said that the ________ structure of water makes it an excellent medium for life.


  1. A.
    chemical; chemistry
  2. B.
    chemistry; chemistry
  3. C.
    chemical; chemical
  4. D.
    chemistry; chemical
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科目:高中英語(yǔ) 來(lái)源: 題型:

.The teache rfound ____ difficult to decide____ he would take with him to attend the

conference.

  A.it;whom        B.himself;who       C.this;whom      D.that;who

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