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(    )6.My life will be ___ better than it is now.

       A.more       B.a lot          C. very            D. too

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(    )5.She always does her homework all _____.

       A.by oneself   B. by herself     C. by myself       D.by itself

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(    )4.He is suffering ____a bad cold.

       A.with        B.of            C.from           D.in

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(    )3.The hole ____by the workers

A.    was filled up B.filled up     C.is fill up   D.was fill with

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(   )2. A lot of people are used to ____in bed.

       A.read        B.reading        C.reads          D.read books

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(   )1.He is an ______boy.

A.    eight years old B.eight ?year-old C.eight―years ?old D.eight―years  old

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5、設(shè)轎車輛,則,解得,又,所以三種方案;

(1)轎車3輛,面包車7輛,日租金1370元

(2)轎車4輛,面包車6輛,日租金1460元

(3)轎車5輛,面包車5輛,日租金1550元,選擇方案三

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4、設(shè)該班名學(xué)生,,解得,因?yàn)?sub>都是整數(shù),所以,答:略

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3、等腰三角形或直角三角形

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2、

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