题目内容

称职的游泳救生员除必须具备优良的思想素质外，还必须具备()

A. 专业技能
B. 一般技术
C. 一般技能
D. 专业理论

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A. who"ve
B. who have
C. who"s
D. who is

A. They live in different places.
B. They feed on different food.
C. They go out at different time.
D. The way they sleep is different.

A. strange
B. difficult
C. beautiful
D. interesting