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9.-Why not go to the ball tonight?

-If you go,    

   A.so will I         B.so do I          C.so I will          D.so I do

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8.After drinking    each other’s health, we began to dance     the music.

   A.to;to          B.for:with        C.for:for          D.to;with

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7.If a shop has chairs    omen can have their men sit,women will spend more time in the shop.

   A.that            B.which           C.where           D.when

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    从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

6.Hiking is     great fun.You will get close to    nature and take exercise at the same time.

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

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5.extremely  

    A.explore          B.exercise         C.example          D.examination

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4.role  

    A solution           B.topic            C.poster           D.respond

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3.strength  

    A.further          B.together         C.throughout        D.southern

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2.early  

    A.heart           B.fear            C.hear             D.earthquake

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从所给的A、B、C、D四个选项中选出与划线单词读音相同的选项。

1.brief  

    A.pie             B.quiet            C.achieve          D.tie

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22.(12分)图中的两条直线分别表示,一物体受到水平拉力F的作用和不受拉力的作用的v-t图象。已知物体的质量m=0.8kg,求拉力F的大小。

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