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【简答题】
锅炉中Ca离子的数量的大小代表炉水___高低。
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举一反三
【单选题】若离散型随机变量 的分布函数为 ,则下列说法错误的是( )
A.
必为右连续的函数, 且单调不减的阶梯函数
B.
的间断点为离散型随机变量的取值点
C.
在间断点处 的跃度恰为概率
D.
的值域为
【简答题】1 Can the of the press easily be abused? 2 Do we enjoy reading about the lives of others? 3 Would we enjoy reading about ourselves? 4 When publishing details about people's private lives, what...
【简答题】The ____ is taking action to pr the spread of the disease MERS.(政府)此题出自2015年江苏扬州市中考英语真题及答案，2015年江苏扬州市中考英语试题及答案 The ____ is taking action to pr the spread of the disease MERS.(政府)
【单选题】This disease ( ) in Africa but now spread to many parts of the world.
A.
derived
B.
originated
C.
sparkled
D.
dwelled
【单选题】The disease spread very quickly, but thanks to the help of the soldiers, all the people ______ were sent to big hospitals.
A.
infect
B.
infecting
C.
infected
D.
being infected
【简答题】Doctors are．________ (worry) about the possible spread of the disease．
【单选题】听力原文：The spread of malaria is like a two-way street. The disease is spread to humans through the bite of mosquitoes infected with malaria parasites, the most dangerous of these being plasmodium falcip...
A.
The use of antibiotics.
B.
People's negligence.
C.
The wrong way of using drugs.
D.
The treatment with antibiotics and quinine drugs.
【简答题】What was to blame for the spread of the disease according to the auther ? A)Local people’s ignorance of bird flu. B)The delayed distribution of the drug. C)The ineffectiveness of the given drug. D)Hea...
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