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【判断题】
汽油机热效率一般比柴油机高A.
正确
B.
错误
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反馈参考答案：
举一反三
【判断题】The United States is the only country in the world that does not currently use the metric system of measurement.
A.
正确
B.
错误
【简答题】I t is necessary to a large vocabulary in learning a language.
【单选题】( ) is the only country in the world that occupies a whole continent.
A.
New Zealand
B.
Australia
C.
America
D.
Canada
【单选题】Criticism and self-criticism is necessary______ it helps us to correct our mistakes.
A.
in that
B.
in time
C.
in turn
D.
in effect
【单选题】Who is the only country artist nominated for Album of the Year?
A.
Kacey Musgraves
B.
Luke Combs
C.
Carrie Underwood
【单选题】It is necessary to make a status inquiry ____ your customer before the execution of the order.
A.
into
B.
about
C.
for
D.
after
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