In the European Union, you don’t _____________ to travel to other EU countries.

In the European Union, French is the internatioanl language of business. A: T B: F

常用的付款方式有（） A: T/T B: L/C C: Paypal D: Western Union

假设s和t表示已经定义好的两个集合，x是s集合中的某个元素，问以下哪些方法可以改变集合s的值？ A: s.symmetric_difference_update(t) B: s.intersection_update(s) C: s.discard(x) D: s.intersection(t) E: s.difference_update(t) F: t.union(s)

63. ( Se taire ) ________, s'il vous plaît, la réunion commence !

By 1992 the European Union had become a full-fledged A: Economic union B: Monetary union C: Common marcket D: Fiscal union

The Maastricht Treaty of 1991 established a blueprint for economic union and monetary union for European Union members.

He said he is my _______ friend but I don’t think so. A: intensive B: union C: intimate D: occasion

At present, the European Union is __________ . A: a free trade area B: a customs union C: a common market D: an economic union

中国大学MOOC: The federal union is a union of people in which ___________.