safety cap
life jacket
safety harness
clothes
第1题:
Cloud formations are minimal when the ______.
A.surface temperature and temperature aloft are equal
B.surface temperature and temperature aloft differ greatly
C.barometric pressure is very low
D.relative humidity is very high
第2题:
It is high time that we()working to take a break.
第3题:
A.to work
B.work
C.working
D.to be working
第4题:
As a duty sailor, he should ().
第5题:
The sailor taking ()watch should do cleaning work on the bridge.
第6题:
第7题:
The sailor on duty is ()the derrick now.
第8题:
To have an interview for a job,one should________.
A.wear expensive clothes
B.be clean and tidy
C.be polite and gentlemanly(or gentlewomanly)
D.be both B and C
第9题:
Sailors should know the ()(安全工作负荷量)of derricks.
第10题:
0 to 4
4 to 8
8 to 12
12 to 16