问题
单项选择题
液体流动时各质点的速度（）。
A、一定相同
B、不一定不同
C、无法判断
D、都不对
答案
参考答案：B
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液体流动时各质点的速度（）。
A、一定相同
B、不一定不同
C、无法判断
D、都不对
参考答案：B
| 阅读理解：阅读下列短文，从每小题所给的A、B、C、D四个选项中选出最佳选项。 | |||
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| 1. If you want to get more information about Health Center, you can call_______. | |||
| A. 3785290 B. 3801451 C. 8754615 D. 3810451 | |||
| 2. One can get free physical examination in Health Center if he or she is ________. | |||
| A. 9 B. 67 C. 73 D. 18 | |||
| 3. The Sunny English club is open _______ hours every Saturday. | |||
| A. 2 B. 3 C. 4 D. 5 | |||
| 4. You will pay ____ yuan if you want to be a member of The Sunny English club for half a year. | |||
| A. 200 B. 600 C. 1,200 D. 1,400 | |||
| 5. Ann's birthday party starts at ______ in the afternoon. | |||
| A. 2:06 B. 5:40 C. 6:20 D. 6:40 |