吊杆停用时，稳索必须要收起来。（）
第1题：
The girl stopped ___________ when her mum came in.
A. crying
B. to cry
C. cry
第2题：
When the derrick changes its （）(角度), its lifting capacity changes correspondingly.
第3题：
A、playing
B、play
C、played
第4题：
When the weather becomes bad, the hatch covers will be （）.
第5题：
The （）(吊杆托架) supports the derrick.
第6题：
The preventer guy，as used on a conventional yard and stay rig，______．
A.Is rigged at an angle of 70° to 90° from the guy it assists
B.Takes the strain imposed on the schooner guy when burtoning cargo
C.Is rigged when lifting cargo that exceeds the SWL of a single whip
D.Should take the strain if the regular guy parts
第7题：
起货机出故障时，水手要去叫电工来修理。（）
第8题：
He stopped_____ homework when dinner was ready.
A. to do
B. do
C. doing
第9题：
The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.（）
第10题：
When the derrick is stopped, the guy must be （）(收好).