慢速英语:You Want to Learn About Tag Questions, Don't You?

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1. confirm vt.证实; [法] 确认，批准
例句：X-rays have confirmed that he has not broken any bones
X光片证实他没有骨折。

2. negative adj.消极的，否认的
例句：The negative poles of two magnets will repel each other.
两块磁铁的负极相互排斥。

3. encourage vt.促进; 支持; 鼓励
例句：As to writing, we do not encourage them to scrawl too early.
至于书法，我们不鼓励他们过早地乱写。

4. combine vt.使结合; 使化合
例句：China needs to find some way to combine the two systems.
中国应该寻求一种方式，将这两种制度结合在一起。

5. suppose vt.认为; 假定; 猜想
例句：I suppose that, subconsciously, I was reacting against my unhappy childhood.
我认为我那是下意识地对我童年不幸的反动。