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【单选题】
1949 年6月,中国人民革命军事委员会发布命令,公布中国人民解放军军旗和军徽式样,规定以( )作为中国人民解放军军旗和军徽的主要标志。 窗体顶端A.
“八一” 二字
B.
锤子镰刀
C.
五星红旗
D.
单星旗
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【单选题】Sometimes I was thinking about _______ my own how I could make friends with a man who had little _______ common with me.
A.
with; in
B.
in; in
C.
on; on
D.
on; in
【单选题】People often make a mistake about my nationality. I was born of Chinese parents , _____, I look ______ but I was born and grew up in America, so I am an American.
A.
however; Chinese
B.
therefore; Chinese
C.
so; the Chinese
D.
therefore; a Chinese
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A.
Flyweight
B.
Proxy
C.
Command
D.
State
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A.
cautious
B.
hospitable
C.
gracious
D.
nostalgic
【单选题】已知【图片】,且极限【图片】存在，则（ ）
A.
函数f(x)在x=0处可导
B.
函数f(x)在x=0处不可导
C.
函数f(x)在x=0处不连续
D.
以上结论都不对
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