计算涨价预备费时，对比基本预备费无需考虑的因素是（）。
A.建设安装工程费
B.设备工器具购置费
C.工程建设其他费
D.建设期价格上涨指数
参考答案：C
一个平行四边形的底缩小3倍，高扩大3倍，面积不变．______．
1.They will be back in ten days.（对画线部分提问）
________________________they be back?
2.His mother feels a bit cold.（对画线部分提问）
________________his mother feel?
3.Please take good care of the cat for me, (改为同义句)
Please________________the cat ________ for me.
4.They had an accident last Sunday.（改为同义句）
An accident________________ them last Sunday
5.I spent half an hour walking to school yesterday.（对画线部分提问）
________________did 'you spent walking to school yester-day?
6.We'd better get to school early.（改为否定句）
We'd________________get to school early．
