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27.As you     the town, the first building you see is the church.

    A.cross        B.pass         C.draw        D.approach

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26.-How did you find the talk this morning? 

    -______.

    A.By asking my students           B.It was easy to find

    C.Very disappointing             D.Just in time for it

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25.The flowers _________sweet in the botanic garden attract the visitors to the beauty of nature.

    A.to smell      B.smelling      C.smelt        D.to be smelt

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24.--- I will attend your lecture at 10:00 tomorrow.

   --- I am sorry, by then my lecture will have ended and I ______ my guests in my office.

    A.is being met                    B.will meet 

    C.will be meeting                D.will have met

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23.He looked around and caught a man ________his hand into the pocket of a passenger.

    A.put         B.to be putting                  C.to put       D.putting

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22.The party, which had been greatly _____, was spoiled by the rude behavior of an uninvited guest.

    A.looked forward to              B.looked up to

    C.look into                    D.called for

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第一节: 单项填空(共15小题;每小题1分,满分15分)

从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

21.The final _____ of the play will take place on Monday.

    A.action        B.performance                  C.view     D.sight

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8.如图所示,劲度系数为K1的轻弹簧两端分别与质量为M1和M2的物体栓接,劲度

系数为K2的轻弹簧上端与物体M2栓接,下端压在桌面上(不拴接),整个系统处于

平衡状态,现施力将物块M1缓缓地竖直上提,直到下面那个弹簧的下端刚脱离桌面,   K1

在此过程中,物块M2的重力势能增加了多少?            

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同步练习册答案