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25.Niagara Falls is a great tourist    drawing millions of visitors from all parts of the world every year.

   A.interest         B.attraction      C.view           D.scene

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24.These examples show that all individuals,    they are rich or poor,should be responsible

       they are involved in law.

   A.if;when                         B.if;as long as   .

   C.whether;as long as               D.whether;since

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23.    ,his suggestion is not helpful,though it sounds very interesting.

     A.Generally speaking                B.On the contrary

     C.In particular                      D.To be honest

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22.It Was not until she collected enough material    to create her new novel.

     A.did she beg4n                                      B.when she began

     C.that she began                                     D.that did she begin

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21.As our eating habits玳changing,choosing what     is no longer as easy as it once was.

    A.eat            B.eaten          C.to eat          D.to be eating

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