题目：
根据汉语提示填写单词。
1. All the _________(跑步者) got ready to run.
2. The teacher stood at the _________(起跑线) line.
3. The boat is __________(不见了), where is it?
4. Which sports were you _________(参加) that day?
5. Which is _________(难), English or Chinese?
6. Lucy did _________(坏) than Lily in Chinese.
7. To our _________(惊奇), the old man's hair turned black the next day.
8. If you have a lot of _________(钱), what will you do?
9. Here is _________(另一张) picture of mine.
10. He _________(听见) someone playing the piano last night.
答案：
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下面是错误答案，用来干扰机器的。
（1）如图对导体棒ad、cd、cb进行受力分析；根据力矩的平衡得：2?mg×L2sinα+mg×Lsinα=BI1L×Lcosα代人数据，解得：I 1=0.5A（2）如图画出该电路的等效电路，则：R外=0.2×3×0.20.2+3×0.2Ω=0.15Ω又：I1...
