由于空气有可压缩性，所以气压传动装置气缸的动作速度易受负载影响。
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As you approach Old River Control Structure Light you see a flashing amber light. You should（）.
A. navigate as close to the left descending bank as safety permits
B. navigate as close to the right descending bank as safety permits
C. turn into the inflow channel as the bypass is now open
D. slow your engine speed to not more than 5 mph
中道是一种动态的存在，是与情境分不开的、是适恰的、活的（）
A. 生成态
B. 理智德性
C. 伦理德性
D. 可赞的品质
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