按照题目要求作图：

（1）在图甲中，根据小磁针静止时的指向，标出A 、B 两个磁极的名称。

（2）在图乙中，画出斜面上物体所受的重力G 和斜面对物体弹力F 的示意图。

（3）如图丙，光斜射到空气和玻璃的分界面时，发生反射和折射。在图中标出反射角??并用箭头标出折射光线的传播方向。

用括号中所给词的适当形式填空，每空词数不限。

1. Tina is much ____  _ (athletic) than Tara.

2. Paul is a little ______ (thin) than Sam.

3. Let’s ___   _ (make) a great turkey sandwich.

4. Mike __    __ (not have) breakfast at home yesterday.

5. That sounds very __     _ (bore).

6. When he ______ (be) three years old, Mozart started writing music.

7. The beautiful flowers make my English teacher ______ (happy).

8. There ______ (be)a sports meeting next week.

9. Parents ask their children ______ (clean)their room.

10. Jim’s uncle works in ______ (south) China.