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34.There has been     rising demand for grain as        _______ industrial material in spite of the nation’s good harvests.

     A./ ;an           B.a; an          C.the;an          D.a; / 

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33.At the meeting they discussed different ______ to the study of mathematics.

     A.approaches       B.means            C.methods          D.ways

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32.The children were warned of not being too _______ about things you are not supposed to know.

     A.strange           B.amusing          C.curious           D.satisfied

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31.It was difficult to guess what her _____ to the news would be.

    A.impression       B.comment       C.reaction         D.opinion

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30.Having been attacked by terrorists,________.

   A.doctors came to their rescue          B.the tall building collapsed

   C.an emergency measure was taken       D.warnings were given to tourists

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29.We must know what we should do and what we should avoid ______a good impression on others in public place.

     A.to leave          B.leaving           C.to have left       D.leave

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28.-Well, Kate, I’m sorry, but I have to leave.

     ---_____. I hope to hear from you soon.

     A.Keep in touch                          B.Have s good time

     C.Walk slowly                            D.So am I.

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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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