gangway
bow
boiler
stern
第1题：
By saying “Middle children are invisible” in paragraph 3, Lewis means that middle children 。
A. have to help their parents to serve dinner
B. get the least attention from the family
C. are often kept away from the dinner table
D. find it hard to keep up with other children
第2题：
An inert gas system on a tanker should be used to ______.
A.prevent the generation of flammable or combustible gas in tanks
B.blow out cargo lines to prevent the build up of gas concentrations
C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit
D.prevent fires in the pumproom by continually displacing flammable vapors
第3题：
----I’m afraid I’ve got a bad cold .
---- _____.
A. Never mind
B. keep away from me
C. Better go and see a doctor
D. You need to eat less food
第4题：
离缆绳远点儿。（）
第5题：
The label required on containers carrying barium oxide for international shipment must read ______．
A.Radioactive material
B.Spontaneously combustible
C.Keep away from food
D.Biomedical material
第6题：
29． Why are green plants and grass helpful?
A． Because they can hold the water．
B． Because they can stop the wind from blowing the earth away．
C． Because they can keep the earth wet．
D．All the above．
第7题：
How does an inert gas system on a tanker function to prevent explosions in cargo tanks?
A.De-energizes the "charged mist" effect
B.Maintains a positive pressure on the vent header to cool the flammable vapors
C.Inert gas filters out the flammable vapors from the cargo tank spaces
D.Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit
第8题：
Strips of timber fixed to the frames of a ship，either in a horizontal or vertical direction，which keep cargo away from the sides of the ship，assisting ventilation and helping protect against a buildup of moisture or condensation are termed as______．
A.frames
B.shell plates
C.bilge plates
D.cargo batten
第9题：
Flame screens are used to ______.
A.contain flammable fumes
B.protect firefightiers from flames
C.prevent flames from entering tanks
D.keep flame and sparks from getting out of an engine’s exhaust system
第10题：
远离缆绳。（）