题目内容

空气可以被压缩但不可液化。()

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____his age, he couldn’t have painted the pictures all by himself.

A. To consider
B. Considered
C. Being considered
D. Considering

气体测试的顺序是：()

A. 有毒气体、氧气、可燃气体
B. 可燃气体、氧气、有毒气体
C. 氧气、有毒气体、可燃气体
D. 氧气、可燃气体、有毒气体

He ()in travelling.

A. is interested
B. interested
C. interests

哪些诉讼时效期间为一年？