一种商品，先降价10%，后又涨价10%，商品价格（） A．变大_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

一种商品，先降价10%，后又涨价10%，商品价格（　　）

A．变大

B．变小

C．不变

D．不确定

答案

1×（1-10%）×（1+10%），

=1×0.9×1.1，

=0.99，

=99%；

现价是原价的99%，商品价格变小．

故选：B．

补全对话，情景问答

根据答语, 补全问句

1. — ________ do you spell it?

—T-U-E-S-D-A-Y.

2. — _______are my shoes?

—They are under the bed.

3. — _______ ________ is your brother?

—He’s thirteen.

4. —________ man?

—The one in the car.

5. —______ _______ is that car?

—It’s blue and white.

6. —_______ are you?

—I’m fine. Thanks.

7. —______ do you have English?

—I have English on Monday, Wednesday and Friday.

8. —______ does he like math?

—Because it is difficult but fun.

9. —_______ ________ is it now?

—It’s seven thirty.

10. —_______ is that girl in red?

—She is my sister, June.

单项选择题

全部工作量按费用分类正确的是（）。

A、A类属于劳务人工时

B、B类属于其他费用

C、C类属于直接材料费

D、D类属于管理及非工资费用