题目内容

气压机第一临转为()r/min。

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汽车用发动机分()和柴油发动机

A. 汽油发动机
B. 蒸汽式发动机
C. 混合发动机
D. 电动发动机

说明土地价格变动的趋势及规律性。

While on watch at sea you must maintain a proper lookout at all times. You are on a 200-foot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be().

A. the helmsman
B. the officer on watch
C. either A or B
D. neither A nor B

在孩子入学前,家长在进行物质准备时,要让孩子懂得爱惜所有学习用品;准备的服装、鞋帽、水杯等生活用品,一切以舒适、简单、实用为主。

A. 正确
B. 错误

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