【单选题】对一棵具有30个结点的树,该树中所有结点的度之和为()。
【简答题】听下面一段材料,回答第1-3题 1.What’s the relationship between the speakers? A. Good friends. B. Teacher and student. C. Husband and wife. 2.What important matter happened on the same day five years ago? A.Their m...
【简答题】此张图中,黄金分割线段之比为头顶——( )——足底。【图片】
【简答题】听下面一段材料,回答第1-3题。 1. What’s the probable relationship between the two speakers? A. Husband and wife. B. Customer and waitress. C. Cook and waiter. 2. What are the two speakers looking for? A. Wine. B. ...
【单选题】One of the benefits of the European Monetary Union is that the governments of the member nations:
A.
are free to erect trade barriers according to their needs.
B.
will be forced to maintain a balanced budget.
C.
can eliminate all exchange-rate concerns by participating in EMU.
D.
are able to deal with their domestic imbalances independently.