若，则在S1，S2，……，S100中，正数的个数是（）。 A.16 B.72 C.8
题型：单项选择题
问题：
若
，则在S1，S2，……，S100中，正数的个数是（）。
A.16
B.72
C.86
D.100
题型：单项选择题
| 阅读理解。 | ||
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| 1. What's wrong with Li Ning? A. He wants to chat with his teacher，but the teacher doesn't like him. B. His teacher invited him to have a meal but he didn’t like to eat. C. He helped his teacher move home but the teacher didn’t pay him. D. He is so shy that he doesn't know how to get on well with his teachers. 2. Why did the teacher think she didn't treat Li Ning well? Because _______. A. she was too busy to invite Li Ning B. she was too tired and felt unhappy C. Li Ning didn't have much food D. Li Ning didn’t like to chat with her 3. What do you think of Li Ning? A. Quiet. B. Outgoing. C. Creative. D. Active. |
hought she didn’t treat me very well, but I didn’t want to make her unhappy. I know it’s all because I’m too shy. What should I do?
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