汽车上涉及到许多物理知识，其中分析正确的是（ ） A．车窗打开时，遮阳的窗帘总是
题型：选择题
问题：
汽车上涉及到许多物理知识，其中分析正确的是（ ）
A．车窗打开时，遮阳的窗帘总是往外飘是因为窗外空气流速大，压强小
B．汽车行驶时，发动机主要将机械能转化为内能
C．方向盘属于轮轴这一类简单机械，使用时可以省距离
D．车内的破窗锤是通过增大受力面积的方法来减小压强
题型：选择题
Look and choose. 看图，选择正确的一项。 |
| 1. your sneakers. Run in the park. |
[ ] |
A. Put on |
| 2. Put on your sandals. your toes. |
[ ] |
| A. wiggle B. Run C. Wiggle D. Dance |  |
| 3. — How much are these boots? — They are . |
[ ] |
| A. one hundred B. one hundred yuan C. new D. small |  |
| 4. Look at this jacket. It's (新的) and (黄的) . |
[ ] |
| A. old; yellow B. new; yellow C. old; red D. old; blue |
| 5. Look at this shirt. It's . |
[ ] |
| A. monkey B. elephant's C. pandas' D. man |
| 6. Look, these shoes are too . |
[ ] |
| A. little B. small C. big D. cheap |  |
| 7. Can I you? |
[ ] |
| A. to B. ask C. help D. for |
| 8. These are many . |
[ ] |
| A. watermelons B. bananas C. oranges D. apples |  |