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【单选题】
O Leonardo da Vinci é uma pessoa __________.A.
azul
B.
bonito
C.
simpático
D.
inteligente
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反馈参考答案：
举一反三
【简答题】Death can be sudden or 1....... out. And I suppose there are advantages to each. A sudden death is painless, so a person who dies quickly doesn’t 2....... as much. In addition, a quick death is che...
【单选题】站姿是茶馆茶艺服务人员的基本功。以下对站姿基本要求的说法错误的是( )
A.
双肩平正,自然放松,双手自然交叉于腹前
B.
双腿并拢直立、挺胸、收腹、梗颈
C.
站立时直立站好,从正面看,两脚脚跟相靠
D.
两脚尖呈60~90。
【多选题】以下不可以做为Web浏览器使用的软件有:
A.
Internet Explorer
B.
Microsoft Office Excel
C.
Windows Notebook
D.
Netscape Navigator
【简答题】全身性感染(systematic infection)
【简答题】系统综述(systematic reviews)
【单选题】Which of the following is NOT systematic risk?
A.
Inflation
B.
War
C.
Recession
D.
all of the above are systematic risks
【单选题】两列波在B点相遇，下列说法正确的是
A.
在某时刻 ， B 点的振幅正好等于两列波振幅之和，则这两列波是相干波
B.
两列波是相干波，如果在某一时刻看到 B 点的质元在平衡位置上，则 B 点一定不是干涉加强点
C.
两列波是相干波，如果在某时刻看到 B 点的质元距平衡位置为 y ，且 ，那么 B 点一定既不是加强点，也不是减弱点
D.
在 B 点，两列波中能流密度大者，振幅必定也大
E.
以上说法均不正确
【简答题】Cloze test. Mrs. Pillar was one of my second grade teachers. She was a great teacher. However, I will always remain grateful to her for what she did for me more than a decade later. As a freshman in c...
【简答题】小题1:Hello, Mrs Li. I have a problem. I lent my MP4 to Mary and she kept it for a long time.However, she didn’t return it. I don’t want to argue with her because she is my best friend and I don’t want ...
【单选题】两个平行的无限大灰体表面1和2,温度分别为T1和T2,发射率均为0.8.若在中间平行插入一块极薄的.发射率为0.4的金属板,则表面1和表面2之间的换热量变为原来的:
A.
0.5
B.
0.27
C.
0.18
D.
0.09
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