Virus Security Software is designed to detect, eliminate or quarantine computer viruses before they are able to harm a computer or server networked system.

Each year in the United States, many black teenagers（）of school, either because they cannot keep up or they have to work to support their family.

（）the've got to know each other a little better, they get along just fine.

（）is the Shipowner’s duty to send the ship to the agreed，or in the absence of special agreement，to the usual place of loading．

上海创建一两所高水平的世界知名大学，其中一所指定为上海大学。

Do you agree or disagree with the following statement? People are never satisfied with what they have; they always want something more or something different. Write a composition of about 400 words to state your view on the issue.

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

Camshafts are usually driven by timing gears or （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

1917年1月，北京大学校长蔡元培邀请陈独秀出任北京大学文科学长。《新青年》的编辑部从上海迁到北京，杂志走入了北京大学校园。《新青年》成为了新文化运动的主要阵地。

英国开放大学、伯明翰大学等12所英国大学联合推动一个网络学习项目，这个名为“未来学习”项目不提供学位式的在线课程

在（）平台上，大家可以随时随地通过网络免费学习美国麻省理工学院、犹他州立大学、约翰霍普金斯大学、英国剑桥大学、日本东京大学、早稻田大学、庆应义塾大学、京都大学等国外著名高等学府的开放式课程中文版