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【单选题】
不属于云计算缺点的选项是
A.
隐私与安全保障有限
B.
云计算的功能可能有限
C.
不能提供可靠、安全的数据存储
D.
可能存在问题
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A.
Wittig 试剂
B.
C.
D.
烯烃
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【单选题】Bird Flu is a(n) ___________ disease. Whenever it occurs, children should be kept from going to public places.
A.
infectious
B.
acute
C.
serious
D.
chronic
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A.
who
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D.
whom
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【单选题】妊娠合并心脏病易发生心衰的时期不包括
A.
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B.
妊娠24-28周
C.
妊娠32-34周
D.
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