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【简答题】
根据我国国情,急救半径小于__________为宜。
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知识点：
皮皮学刷刷变学霸
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【单选题】两危险点的应力状态如图，且【图片】，由第四强度理论比较其危险程度，有如下答案，正确答案是（ ）【图片】
A.
（ a ）应力状态较危险
B.
（ b ）应力状态较危险
C.
两者的危险程度相同
D.
不能判断
【简答题】Describe briefly the location of the U.S. What are the three most important rivers in America? Please tell the names of the Great Lakes in North America. Introduce briefly the two long continuing migr...
【简答题】Describe briefly the history of Chinese cooking?
【简答题】Describe briefly the drilling sump and the treatment system for field treatment of sump fluid.
【简答题】Describe briefly the drilling sump and the treatment system for field treatment of sump fluid.
【简答题】Describe briefly the process of Southern blot hybridization.
【简答题】Describe briefly the historical development of second language acquisition.
【简答题】Describe briefly the nature of a swap and its primary component.
【单选题】如下程序的输出结果是 main( ) {float x=2.0,y if(x＜0.0) y=0.0 else if(x＜10.0) y=1.0/x else y=1.0 cout＜＜y＜＜endl }
A.
0.000000
B.
0.250000
C.
0.500000
D.
1.000000
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