[单项选择]Traveling at high speed means ______.

[单项选择]Traveling at high speed means ______.

[单项选择]Travelling at high speed means ______.

[单项选择]Subways are underground systems of high speed trains, which are mostly found in large cit ies: New York, London, and Tokyo.
A. 地铁是地下的高速火车系统，主要出现在像纽约、伦敦和东京这样的大城市。
B. 地铁是地下的火车系统，主要出现在像纽约、伦敦和东京这样的大城市。
C. 地铁是地下的高速火车系统，主要出现在像纽约、伦敦和北京这样的大城市。
D. 地铁是在地下的高速运行的火车，主要出现在像纽约、伦敦和东京这样的大城市。

[单项选择]"The cost of a wrong decision is very high" means that ______.


A. the government pays a lot of money to computer scientist
B. fingerprints have a role not just in crime solving but also in everyday life
C. the catching of the terrorists is rather expensive
D. the suffering of the incorrect suspect is great and the government should be responsible for it

[单项选择]The high speed trains can have a major impact on our lives.
A. effort
B. problem
C. concern
D. influence

[单项选择]

High-speed Internet provider At Home Corp. is buying Excite Inc. , one of the leading destinations on the World Wide Web, for about $6.7 billion in stock in one of the largest Internet company deals. The deal announced today would surpass America Online Inc. ’ s $4.2 billion acquisition of Netscape Communications Corp. last year. Based on closing stock prices Friday, Excite is worth about $ 3.4 billion, which would mean that At Home would be paying a huge premium. The deal could eventually give telecommunications giant AT&T Corp. control of one of the highly sought after portals that serve as entry points onto the Internet.
At Home is owned by Tele-Communications Inc. , Cox Communications and several other investors. TCI is in the process of merging with AT&T Corp. in a $39 billion deal that is expected to be completed by spring. AT&T Corp. chief executive Michael Armstrong has stated he wants to use At Home as a conduit tor delivering a wide range of co
A. Because Tom Jermoluk wants to control his strongest competitor.
B. Because it wants to expand its business through Excite's present resources.
C. Because both companies are based in Redwood City, California.
D. Because it has lost $9.7 million in the last three months.