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【单选题】
设有如下 int x=2002,y=2003; printf("%d\n",(x,y)); 则以下叙述中正确的是( )。A.
输出值为2002
B.
输出值为2003
C.
运行时产生出错信息
D.
输出语句中格式说明符的个数少于输出项的个数，不能正确输出
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【单选题】下列关于我国艾滋病流行情况描述正确的是( )。
A.
女性艾滋病病毒感染者远远大于男性
B.
目前我国32个省市自治区均有HIV感染者和艾滋病病例报告发布
C.
河南是我国HIV病毒感染者和艾滋病患者第一大省
D.
我国HIV的传播途径特点为注射吸毒传播、既往采供血传播、同性性传播三种主要传播途径并存
E.
在20世纪90年代，注射吸毒传播占传播途径的90％。但2007年以后输血传播已经占到传播途径的第一位
【单选题】According to the passage, what is the meaning of the phrase 'ups and downs' in the fifth sentence of paragraph two?
A.
Good and bad experiences.
B.
The movement of going up and down.
C.
Conflicts.
D.
Happiness.
【单选题】The writer and teacher Smith ______ through millions of ups and downs since he moved to Sydney. [ ]
A.
have gone
B.
had gone
C.
went
D.
has gone
【单选题】According to the passage people who have experienced ups and downs may become______.
A.
nervous when faced with difficulties
B.
physically and mentally strained
C.
more capable of coping with adversity
D.
indifferent toward what happens to them
【简答题】According to the passage people who have experienced ups and downs may become ________. A) nervous when faced with difficulties B) physically and mentally strained C) more capable of coping with adver...
【单选题】引入负反馈后，放大电路的放大倍数A的正负为（）
【单选题】Everyone will go through life's stages of ups and downs, _____ self-respect plays a key role in the maturity of a person. [ ]
A.
when
B.
which
C.
as
D.
that
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