问题
单项选择题
The meaning of slacken her speed is（）.
A.increase ship's speed
B.slow down ship's speed
C.make up ship's speed
D.fix up shp's speed
答案
参考答案：B
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The meaning of slacken her speed is（）.
A.increase ship's speed
B.slow down ship's speed
C.make up ship's speed
D.fix up shp's speed
参考答案：B