题目内容
（请给出正确答案）
[单选题]
SparkGraphX中类Graph的reverse方法可以（)。
A.反转图中所有边的方向
B.按照设定条件取出子图
C.取两个图的公共顶点和边作为新图，并保持前一个图顶点与边的属性
D.合并边相同的属性
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题目内容
（请给出正确答案）
A.反转图中所有边的方向
B.按照设定条件取出子图
C.取两个图的公共顶点和边作为新图，并保持前一个图顶点与边的属性
D.合并边相同的属性
答案
更多“SparkGraphX中类Graph的reverse方法可以()。”相关的问题
第1题
Study the following graph carefully and write an essay. You should:
1) describe the graph and interpret its meaning, and
2) point out the problems and give your comments.
Your composition should be more than 150 words. You should write your composition neatly on ANSWER SHEET 2 .
第7题
写出程序运行结果。
classPoint{
intx,y;
Point(intx,inty){
this.x=x;
this.y=y;
System.out.println("父类构造函数被调用!");
}
}
classCircleextendsPoint{
intradius;
Circle(intr,intx,inty){
super(x,y);
this.radius=r;
System.out.println("子类构造函数被调用!");
}
}
publicclasstestInherence{
publicstaticvoidmain(Stringargs[]){
Circlec1=newCircle(2,2,2);
}
}
运行结果：
第9题
(1)假定其中一种产品实施配给。解释为什么消费者的境况可能变差。
(2)假定其中种产品被固定在当前市场价格以下的水平，因此消费者不能想买多少就买多少。你觉得消费者的境况是变好了还是变差了？
Draw a budget line and then draw an indifference curve to illustrate the satisfaction - maximizing choice associated with two products. Use your graph to answer the following questions.
a Suppose that one of the products is rationed. Explain why the consumer is likely lo be worse off.'
b. Suppose that the price of one of the products is fixed at a level below the current price. As a result, the consumer is not able to purchase as much as she would like. Can you tell if the consumer is better off or worse off？
