负强化
参考答案：
对出现的某一良好行为，可以避免不良的刺激（即负强化物），而使该良好行为出现的频率增加的过程，是好行为导致不良刺激消失的过程。
句型转换
1. The fascinating science museum is beside the Art Museum.(对画线部分提问)
_____ _____ _____ fascinating science museum?
2. What do you think of the Watertown?(改为同义句)
_____ _____ _____ _____ The Watertown?
3. It took me many hours to walk through the History Museum.(改为同义句)
I _____ many hours _____ through the History Museum.
4. Tom does his homework carefully. So does Jack.(合并成一句)
Tom does his homework _____ _____ _____ Jack.
5. The Fine Arts Museum is really interesting.(改为反意疑问句)
The Fine Arts Museum is really interesting, _____ _____?
债券买断式回购交易，通过卖出一笔国债以获得对应资金，并在约定期满后购回同笔国债的为融资方。( )
