烧结普通砖进行冻融试验后，每块砖样不允许出现裂纹、分层、掉皮、缺棱、掉角等冻坏现象，

流感病毒的最大特点是易于变异，最常见于 _________ 。

图中画出了一个电场中的一簇互相平行等距的等势面，并标出各等势面电势的值，电场中A、B两点所处位置如图所示，它们之间的距离为5 cm，两点连线与等势面夹角为37°.一个电荷量为3×10^-8 C的电荷正好平衡在此电场中，求此电荷重力.

根据句意及首字母提示完成下列单词。

1. The weather was r_______ and we stayed at home.

2. The bus was too c_______, so I didn't have much fun.

3. Chinese food tastes very d _______.

4. I'm r_______ tired. I want to have a rest.

5. The goods (商品, 物) in Shopping Center are very e_______.

. 6. Did you pass your maths e_______ ?

7. I saw a little girl crying at the street c_______ .

8. I want to d_______ the question with you.

9. West Lake is a f_______ place. Many people go to visit it.

10. We shouldn't be u_______ to others.

I often laugh when I see my grandma learning pop songs. But she says, " One is

never _____ old to learn. "              [ ]

A. too                      

B. so              

C. very                      

D. quite

在本案例中，对于查验过程中损坏的货物应由( )。

A．检查关员赔偿

B．保险公司赔付

C．公司自理

D．海关赔偿