【单选题】已知椭圆方程 ,下列结论正确的是
D.
对称轴是坐标轴,一个顶点为( 2 , 0 )
【简答题】根据短文内容,回答下列问题。 What is a supermarket? In the dictionary, a supermarket is a large self-service department store. Some supermarkets have two floors. When you enter such a supermarket, an elevator (电梯) ...
【判断题】保护接地和保护接零是有区别的两种保护方法。
【单选题】下面关于市场有效性的观点,正确的是
C.
长期来看,若市场是有效的,则没有任何投资者群体可以胜过市场
【单选题】— — To the supermarket with Wang Fan.
B.
Where did you go to the supermarket?
【简答题】What does the author observe in the supermarket?
【判断题】使用头脑风暴法进行会议时,要对别人提出的观点做出及时评论。( )
【简答题】A.shop B.counter C.department D.supermarket