【简答题】观察下列函数在给定的自变量的变化趋势下有无极限,如果有,极限是多少?
【单选题】It can be inferred from the last paragraph that Adwan was ______ about the relations between Israel and Palestine.
【单选题】In computer, the device that can act as both input device and output device is ( ).
【单选题】We can learn from the text that a computer can ______.
A.
be best used as a calculating device
B.
be best used in word processing
C.
find uses almost everywhere
D.
have intelligence of its own
【单选题】第一次表明一切商品都是无差别人类劳动凝结的价值形式是
【单选题】下列有关策略和纳什均衡的叙述错误的是().
A.
混合策略是博弈方根据一组选定的概率,在两种或两种以上可能的行为中随机选择的策略
C.
有些博弈不存在纯策略纳什均衡,但存在混合策略的纳什均衡
D.
有些博弈存在纯策略纳什均衡,但也存在混合策略的纳什均衡
【单选题】某休克病人,测得CVP为3cmH2O,BP70/50mmHg,正确的处理是
【单选题】第一次真正表明一切商品都是无差别人类劳动的凝结的价值形式是( )
【判断题】一列火车从甲地到乙地,若速度提高3倍,则时间也提高3倍。
【单选题】碳溶解在α—Fe中形成的间隙固溶体是()。