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【单选题】
有以下程序 #include #include main() { int s; float n,t,pai; t=1,pai=0,n=1.0,s=1; while(fabs(t)>1.0e-6) { pai+=t; n+=2; s=-s;t=s/n; } printf("total=%f\n",pai); } 程序所计算的是
A.
1-1/3+1/5-1/7+1/9-…
B.
1+1/3+1/5+1/7+1/9-…
C.
1+1/2+1/3+1/4+1/5-…
D.
1-1/2!+1/3!-1/5!+1/7!-…
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举一反三
【判断题】The Miguel Street is a slum that is unworthy of a place in literary works.
A.
正确
B.
错误
【单选题】Why is the short story named “Coward”?
A.
Because the people in the Miguel Street do not stand up for Big Foot
B.
Because Big Foot has vulnerable inside
C.
Because Big Foot loses the game to the real boxer
D.
Because the narrator loses faith in Big Foot
【单选题】采用甲醛进行加热或化学熏蒸法灭菌时,熏蒸过程至少密闭保持( )。
A.
12h
B.
24h
C.
6h
【单选题】下列关于光纤同轴电缆混合网 HFC 的描述中,错误的是( )。
A.
HFC 是一个单向传输系统
B.
HFC 改善了信号传输质量,提高了系统可靠性
C.
HFC 光纤结点通过同轴电缆下引线可以为 500 到 2000 个用户服务
D.
HFC 通过 CableModem 将用户计算机与同轴电缆连接起来
【单选题】采用熏蒸法灭菌,熏蒸过程至少密闭保持
A.
12h
B.
24h
C.
6h
D.
8h
【简答题】实训二十三 色盘旋转和变色的聚焦按钮的制作 色盘旋转.swf 变色的聚焦按钮.swf
【判断题】The Miguel Street is a slum that is unworthy of a place in literary works.
A.
正确
B.
错误
【单选题】What kind of world is created in The Miguel Street?
A.
A slum
B.
A world rich in characters with distinct features
C.
A world that centers around the narrator’s family
D.
A world full of thieves and villain
【单选题】What is the feature of the Miguel Street?
A.
It is a slum with indentured laborers
B.
It is a caste society like India
C.
It mainly consists of the native laborers
D.
It is a place for artists
【单选题】采用熏蒸法灭菌,熏蒸过程至少密闭保持多少时间?
A.
12h
B.
24h
C.
6h
D.
8h
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