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【单选题】
2计算机网络最突出的优点是()。A.
精度高
B.
共享资源
C.
分工协作
D.
传递信息
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【单选题】Why are RDAs regularly updated?
A.
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B.
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C.
As people age, their nutritional needs change.
D.
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【单选题】Answer the questions about the words and expressions. If someone nags someone else, are they (a) encouraging them, or (b) criticizing them constantl
A.
T hey are encouraging them constantly.
B.
They are criticizing them constantly.
【单选题】It rained hard for several days. _____, a flood occurred in South China this summer. [ ]
A.
Constantly
B.
Firmly
C.
Consequently
D.
Deliberately
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