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单选题
After crude oil is extracted from a well, it is usually piped to a refinery.
A
unrefined
B
toxic
C
transparent
D
turbid
参考答案
参考解析
解析：
crude天然的，未加工的。unrefined未提炼的。toxic有毒的，中毒的。transparent透明的。turbid浑浊的，不清的。
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单选题A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is （）.A
acidB
fuel oilC
sedimentD
water
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单选题Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.A
operateB
checkC
installD
overhaul
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单选题From the description in the passage, we learn that______.A
Burns is well known for his skill of writing letters.B
Shakespeare has received formal training in schools.C
creativity is usually based on the persistent practice.D
people can’t find anything to describe until after years of practices.
考题
单选题The crude oil overflowed from measuring-hole due to（）the valve of No.1 tank.A
not closeB
not closingC
not have closedD
no closing
考题
单选题The port State control officer will ensure that（）is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system.A
cargo loading operationsB
cargo unloading operationsC
cargo control operations in the transportD
crude oil washing
考题
单选题Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.A
immediately above the level of the oilB
at the top of the tankC
in the vent riserD
one meter from the deck
考题
单选题After the ship is out of the harbour and in “Full Speed”, well change （）.A
to fuel oil instead of diesel oilB
for fuel oil instead of diesel oilC
to diesel oil into fuel oilD
for diesel oil into fuel oil
考题
单选题Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.A
existing crude oil tanker of 20000 tons deadweight and underB
new crude oil tanker of 20000 tons deadweight and underC
existing crude oil tanker of 20000 tons deadweight and aboveD
new crude oil tanker of 20000 tons deadweight and above
考题
单选题The lube oil in the bearings is drawn from a （）, usually located in the bedplate.A
tankB
sumpC
vesselD
bottle
考题
单选题When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove （） from it.A
acidB
sludgeC
mechanical impurityD
salinity
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单选题The rivers flow through some of the world’s grimiest areas, picking up oil, lead and other toxic materials, as well as fertilizer residues and nuclear fallout from Chernobly.A
worldly B
poisonous C
wholesome D
void
考题
单选题In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.A
inertedB
crude oil washedC
dilutedD
cleaned
考题
单选题We can draw a conclusion from the text that ______.A
oil-price shocks are less shocking nowB
inflation seems irrelevant to oil-price shocksC
energy conservation can keep down the oil pricesD
the price rise of crude leads to the shrinking of heavy industry
考题
单选题From the description in the passage, we learn that _____.A
Burns is well known for his skill of writing lettersB
Shakespeare has received formal training in schoolsC
creativity is usually based on the persistent practiceD
people can’t find anything to describe until after years of practices
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