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【单选题】
新生儿补充维生素D应该从什么时候开始（）A.
15天
B.
30天
C.
60天
D.
90天
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【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
【简答题】In order for space tourists to walk around and function normally, it is necessary for the space city to create a ________.
【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】Some visitors are amazed at the fact _________ Australia is the only country in the world ______ covers a whole continent.
A.
that; that
B.
what; which
C.
that; whose
D.
it; who
【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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