needs to examine
needs to have examined
wants examining
wants to exam
第1题:
David’s mother insisted that he ____before ten every night.
A. must go to bed
B. goes to bed
C. go to bed
D. has gone to bed
第2题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第3题:
A、fast
B、crazy
C、frenetic
D、hectic
第4题:
第5题:
A carbon dioxide fire extinguisher should be recharged ______.
A.at least annually
B.whenever it is below its required weight
C.only if the extinguisher has been used
D.before every safety inspection
第6题:
( ): a method of obtaining early feedback on requirements by providing a working model of the expected product before actually building it.
A.Prototypes
B.Object oriented
C.Structured method
D.Iterative method
第7题:
Every existing product carriers of 40,000 tons deadweight and above shall be provided with segregated ballast tanks and shall comply with the specified requirements,or,alternatively,operate with ______ in accordance with the convention.
A.crude oil washing
B.dedicated clean ballast tanks
C.cargo tank cleaning system
D.oil record book
第8题:
A.study
B.learn
C.skim
D. work
第9题:
第10题: