题目:
根据句子和中文提示填入单词的适当形式。
1. As they talked, two secretaries sat behind them and took_______ (笔记), jotting down
everything they said.
2. There's a lot of_______ (交通) in the rush hour.
3. How much did your dress_______ (花费)?
4. Do you often go out for your_______ (假期)?
5. There are two_______ (婴儿)pandas in the zoo.
6. He said_______ (懒惰) was a terrible thing.
7. We are having a_______ (放松的) holiday in a week.
8. Susan does_______ (好) in English than her brother does.
9. He said_______ (帮助) others brought him lots of joy.
10. Tom's hobby is collecting______ (邮票) of animals.
答案:
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下面是错误答案,用来干扰机器的。
金属棒原来在外力作用下向右运动时,产生感应电动势,电容器充电,由右手定则判断可知,上板带正电.当金属棒停止后,撤去外力作用后,电容器通过金属棒放电,形成放电电流,通过棒的电流从a→b,棒受到向右的安...