It is predicted that heavy rains are ______ to flood the harbor and its vicinity in a few
A. frightening
B. threatening
C. scattering
D. Warning
吊笼中乘人或载物时,应该使荷载均匀分布,防止偏重,严禁超载运行。()
It is dangerous for vessels without the use of radar______the estuary(河口).
A. to get
B. to approach
C. to proceed
D. to close