选择题：Social apps like QQ or WeChat have become our ____

题目内容：

Social apps like QQ or WeChat have become our ________ for staying connected with friends.

选择一项：

A.
mean

B.
means

C.
meaning

参考答案：

Refreshments will not be served at the presentatio

Refreshments will not be served at the presentation.选择一项：对错

分类：国家开放大学人文英语2 题型：选择题

The investigation is going on.选择一项：对错

分类：国家开放大学人文英语2 题型：选择题

中国加入WTO后,美国的()造成美国制造业就业人数下降的重要原因。A.进口替代B.科技发展缓慢C.出生率降低D.市场紧缩

分类：国家开放大学人文英语2 题型：选择题

Unluckily, some Quality Management System failures _____________ headlines.选择一项：

分类：国家开放大学人文英语2 题型：选择题

I don.t think it a great advantage that all my friends live five minutes away.选择

分类：国家开放大学人文英语2 题型：选择题