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【单选题】
执行如下代码后,下述描述表的值为False的是n=3a=[0]*nfor i in range(n):a[i]=[0]*i
A.
[] in a
B.
[0] in a
C.
[0 , 0]  in a
D.
[0 , 0 , 0]  in a
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【简答题】Cars are lots of fun, but they could also be erous. We have to be careful when we drive them or ride in them. It’s always a good idea to put on your seat belt (安全带) when you’re in a car. Why? Thin...
【多选题】导致旅游团误机的客观原因有( )等。
A.
旅游团中个别游客突然走失使旅游团未能及时赶到机场
B.
领队或游客坚持己见,未能按导游人员规定的时间离店
C.
离店时天气发生突变,导致旅游团未能及时赶到机场
D.
旅游团赴机场途中遇到严重交通拥堵使旅游车不能及时抵达机场
E.
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【单选题】一个函数为void f(int x, char y = ‘a’),另一个函数为void f(int),则它们
A.
不能在同一程序块中定义
B.
可以在同一个程序块中定义并可重载
C.
可以在同一个程序块中定义,但不可以重载
D.
以上说法均不正确
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A.
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B.
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C.
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A.
正确
B.
错误
【单选题】热带气旋警报中常见的POSITION GOOD BASED ON SATELLITE通常是指:
A.
定位误差10~20nmile
B.
定位误差20~40nmile
C.
定位误差大于40nmile
D.
定位误差小于10nmile
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A.
正确
B.
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