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

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

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

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

(    )4.He is suffering ____a bad cold.

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

(    )3.The hole ____by the workers

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

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

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

(   )1.He is an ______boy.

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

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

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

3、等腰三角形或直角三角形

2、