Yang Liwei hadn't married.
A. Right.
B. Wrong.
C. Doesn't say.
实现人的价值的根本途径是（）
A. 掌握科学技术知识
B. 搞好人与人的关系
C. 积极投身于社会实践
D. 等待机遇的到来
【B2】
A. cat
B. dog
C. snake
How to use a Sherlock Metal Detector？
A. Push a button on the machine.
B. Just put it on the ground.
C. The text doesn't say.
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