【单选题】【消耗次数：1】
下列哪项是使患病率降低的因素
①
治愈率提高
②
新病例增加
③
病程延长
④
诊断水平提高
参考答案：
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相关题目
【简答题】
什么是患病率？影响患病率升高的因素有哪些？
随机题目
【单选题】
设球面方程为(x一1)2+(y+2)2+(z一3)2=4，则该球的球心坐标与半径分别为( )
①
(一1，2，一3);2
②
(一1，2，-3);4
③
(1，一2，3);2
④
(1，一2，3);4
【判断题】
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①
正确
②
错误
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____Unless_____ they can get people in the organization to do what must he done， they will not succeed.
①
正确
②
错误
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①
正确
②
错误
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The first glasses of Coca Cola were drunk in 1886. The drink was first __made___ by a US chemist called John Pemberton
①
正确
②
错误
【判断题】
She is under the impression that he isn’t a __genuine____ person for he wouldn’t tell her where and when he went to university.
①
正确
②
错误
【判断题】
I’m____inclined_____ to think that most children would like their teachers to be their friends rather than their commanders.
①
正确
②
错误
【判断题】
These two chemicals ____interact_____ with each other at a certain temperature to produce a substance which could cause an explosion.
①
正确
②
错误