船舶在入海河口的弯曲河段利用潮流时，一定要防止（）.
A、落弯
B、扫岸
C、AB都对
D、AB都不对
参考答案：C
The young man couldn't afford a new car. ______, he bought a used one. [ ]
A. Besides
B. Otherwise
C. Instead
D. Still
A stay is（）.
A.standing rigging
B.a downhaul
C.a halyard
D.a jib
