单项选择题

我们必须仔细使用每件工具并且用完后归还。（）

A. We must use all kinds of tools carefully and return it after using.
B. We must use every tool carefully and return it after using.
C. A+B
D. We must use everything carefully and keep it after using.

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单项选择题

稀料能稀释油漆。（）

A. The thinner can thin down paint.
B. The thinner can clean.
C. The thinner isn’t the paint.
D. The thinner is the paint.

单项选择题

驾驶台是船舶的眼睛和耳朵。（）

A. The bridge is very clean.
B. The bridge is the ship's eye and ear.
C. The bridge is at the stern.
D . The bridge is at the bow.

单项选择题

从水线到船底是“吃水”。（）

A. “From the centerline to the ship’s bottom” is “draft”.
B. “From the keel to the ship’s bottom” is “draft”.
C. The maximum distance from the waterline to the ship’s bottom is “draft”.
D. “From the centerline to the ship’s main deck” is “draft”.