下列关于反射的说法中正确的是（　　）

A．镜面反射遵从反射规律，漫反射不遵从反射规律

B．从各个方向都能看到黑板上的字，原因是黑板很平，能发生镜面反射

C．从各个方向都能看到桌子的原因是桌子表面凸凹不平，发生漫反射

D．入射光线与镜面夹角变大时，反射角也变大

句型转换（每空一词）。

1. Martin has a sore back.(改为一般疑问句)

    ________Martin ________ a sore back?

2. There's something wrong with his ear.(对画线部分提问)

    ________the matter ________ his ear?

3. You should eat some Chinese food.(改为否定句)

    You ________ eat ________Chinese food.

4. We should practice speaking English every day.(对画线部分提问)

    ________ ________you ________  ________every day?

5. Playing soccer with friends is very exciting．(改为同义句)

    ________is very exciting ________ play soccer with friends.