我们必须给吊杆部件上大黄油并清洗。
我们必须马上给吊杆部件上大黄油并清洗。
我们应该给吊杆上大黄油并清洗。
我们不用给吊杆部件上大黄油并清洗。
第1题:
A、clean
B、cleaned
C、cleaning
D、to clean
第2题:
We all know that the plan is divided into three parts. (翻译)
第3题:
A、of course
B、above all
C、for sure
D、not at all
第4题:
The derrick to be laid down on deck,cargo blocks,span tackles,guide rollers and all moving parts of derrick to be dismantled,cleaned and greased with special grease.This sentence is most possibly found in ________.
A.Chief Mate's remark on stowage plan
B.Store list made by Chief Engineer
C.Collision Report made by Master
D.Repair List
第5题:
2. The clean-up.day is only two weeks _______ now,so we must action quickly.
A. from
B. since
C. to
D. for
第6题:
第7题:
A.must keep
B.must be kept
C.must be keep
D.must be in
第8题:
A.mustn't
B.can't
C.needn't
第9题:
Dirty oil must be ______before being used again .
A.mixed with clean oil
B.purified
C.heated
D.strained
第10题:
All the holds to be loaded with grain must be swept ______ commencement of loading.
A.Cleanly/during
B.Clear/meanwhile
C.Clean/between
D.Clean/prior to