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【单选题】
Which one is not a part of the heading section of an email?A.
to
B.
from
C.
subject
D.
salutation
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反馈参考答案：
举一反三
【单选题】The average exhaust temperature of a two-stroke/cycle diesel engine with a turbine-driven supercharger is lower than a similar four-stroke/cycle engine at equal loads because____.
A.
two-stroke/cycle diesel engines have a higher MEP than four-stroke/cycle diesel engine
B.
four-stroke/cycle diesel engine exhaust is cooled by scavenging air
C.
two-stroke/cycle diesel engines have a lower MEP than four-stroke/cycle diesel engines
D.
the opening of the two-stroke/cycle diesel exhaust ports or valves occurs much later than in four-stroke /cycle diesel engine
【单选题】Chinese language is usually spoken by Han nationality and many overseas Chinese. It's the common language of more than 10 million overseas Chinese people. In the world, Chinese is the most important l...
A.
10 million.
B.
More than 10 million.
C.
Less than 10 million.
【简答题】Many Chinese friends went to the party. _________many Chinese friends at the party.
【简答题】Chinese Americans used to live in______, where there were many Chinese restaurants and laundries.
【单选题】During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?
A.
Intake stroke
B.
Compression stroke
C.
Exhaust stroke
D.
Pumping stroke
【单选题】The average exhaust temperature of a two-stroke/cycle diesel engine with a turbine-driven supercharger is lower than a similar four-stroke/cycle diesel engine at equal loads because ____.
A.
two-stroke/cycle diesel engines have a higher M.E.P than four-stroke/cycle diesel engines
B.
four-stroke/cycle diesel engine exhaust is cooled by scavenging air
C.
two-stroke/cycle diesel engines have a lower M.E.P_than four-stroke/cycle diesel engines
D.
the opening of the two-stroke/cycle diesel exhaust ports or valves occurs much later than in four-stroke/cycle diesel engines
【简答题】Cloze test. As we all know, Chinese handwriting has infinite power to express differences of character and cultivation. But we have to admit that traditional handwriting has become a 1 art, now that k...
【简答题】Many Chinese students return to China when they meet many problems and difficulties abroad.
【简答题】Many overseas Chinese make their kids learn the Chinese language because they don’t want them to lose their mother language. In the city of Portland in the USA, there is a weekend Chinese school in a ...
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