We’ll put off（）until Friday．

We have finished（）and are ready for sailing．

A.load
B.loading
C.will load
D.to load

点击查看答案&解析

To prevent the riser system from buckling under its own weight，upward tension is provided by the（）.

A.riser stabilizers
B.guideline tensioning system
C.riser tensioning system
D.guideline stabilizers

点击查看答案&解析