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【单选题】
连续梁、板按塑性内力重分布方法计算内力时，截面的相对受压区高度应满足( )。A.
0.10≤ξ≤ξ b
B.
0.10≤ξ≤0.35
C.
ξ＞ξ b
D.
ξ＞0．35
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【单选题】已知空间某区域为匀强电场, 则该区域内
A.
电势差相等的各等势面间距不等.
B.
电势差相等的各等势面间距相等.
C.
电势差相等的各等势面间距不一定相等.
D.
电势处处相等.
【简答题】The _________ stories of heroes, both civilian heroes and first responders, show that ordinary people can do ____________ things whether they are carrying out their duties, or as part in their daily l...
【单选题】资产负债表结构设置的依据是( )
A.
资产=负债+所有者权益+（收入-费用）
B.
资产+费用=负债+所有者权益+收入
C.
资产=负债+所有者权益
D.
资产-负债=所有者权益
【简答题】完形填空 Doctors tell us that holidays are important. We should have a 1 from work for a week or two weeks every year. lf it is possible,they say, we should 2 Our homes and go to another 3 Of the country...
【简答题】完形填空。 Doctors tell us that holidays are important. We should have a 1 from work for a week or two weeks every year. If it is possible, they say, we should 2 our homes and go to another 3 of the count...
【单选题】以下程序运行结果( ) int power(int x , int y); int main(void) { float a = 2.6 , b = 3.4; int p; p = power((int)a , (int)b); cout 0 ; i--) p *= x; return p; }
A.
4
B.
6
C.
8
D.
10
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