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【单选题】
"2019年武汉市确诊新型病毒nCoV肺炎流行病学特征分析"的核心概念是
A.
武汉市
B.
新型病毒nCoV肺炎
C.
新型病毒nCoV
D.
流行病学
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皮皮学刷刷变学霸
举一反三
【单选题】下列关于挥发分的描述不正确的是( )。
A.
煤的挥发分随煤化程度的加深而减少
B.
煤化程度越浅,挥发分开始析出的温度越低
C.
含氧量高、煤化程度低的煤,挥发分发热量比较高
D.
挥发分含量高的煤,着火迅速,燃烧稳定,易于燃烧完全
【单选题】Awoman has ,to be______a man to go half as far.
A.
twice as good as
B.
as twice good as
C.
twice good as
D.
twice so good as
【多选题】水泵有很多分类形式,按照工作原理可以分为()
A.
叶片泵
B.
容积泵
C.
其他形式泵
D.
不锈钢泵
【单选题】ActiveX is the name(66)has given to a set of object-oriented concepts, technologies, and tools. It is important to notice that ActiveX is not a(67)technology, but a brand name, what it's applied to ca...
A.
HP
B.
Cisco
C.
SUN
D.
Microsoft
【判断题】燃料电池化学反应产物主要是电能和水,还有极度多的二氧化碳和氮氧化物。
A.
正确
B.
错误
【单选题】The little town has now grown into a modern big city, and is _____ what it used to be. [     ]
A.
twice the size than
B.
two times the size as
C.
twice the size as
D.
twice the size of
【简答题】He has seen that film twice ______
【判断题】燃料电池化学反应产物主要是电能和水,还有极度多的二氧化碳和氮氧化物。
A.
正确
B.
错误
【单选题】The production of the factory has grown to _____ in 1999.
A.
twice as it was
B.
twice what it was
C.
as twice as it was
D.
twice that it was
【单选题】— Has the little girl passed ______ P.E.test? — She has tried twice, and the teacher will allow her to have _____ third try.
A.
the; 不填
B.
a; the
C.
the; a
D.
the; the
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