The differences between the Enterprise Edition and the Personal Edition in Alibaba Chinese Station are()。

The overall purpose of this passage is to______

A．demonstrate the cultural differences between America and Europe

B．indicate ways to improve the American image abroad

C．describe the general impression of foreign visitors on America

D．criticize some behaviors of American taxi drivers

A.perspective and descriptive

B.synchronic and diachronic

C.speech and writing

D.langue and parole

A．Film violence causes teen behavioral problems.

B．There is no causal relationship between those two.

C．Teenagers who are more violent prefer violent films.

D．There are contradictory findings concerning this question.

The main purpose of this text is to______.

A．inform. the reader about the similarities between business and the military

B．educate the reader on how a successful business is formed

C．present a prevailing hypothesis on the path of a business"s development

D．call the reader"s attention to the need for application of a structured growth plan in business

According to the passage, what should be understood by governments？

A. The link between the environment and the economy is not serious enough.

B. The two issues of poverty reduction and the environment have often been connected

C. Environmental collapse is a result of economic development

D. Environmental collapse is affecting the possibility for growth.

We can learn from para. 2 that

A．a dozen of blood examples were from the patients died between 1986 and 1989.

B．Dr. Arien studied the blood examples to find the cause of AIDS.

C．the subtype of virus involved is different due to different places.

D．3/4 of the viruses appeared to be more harmful than before.

One of the advantages of using cell phones is that ______.

A．it can make the relations between parents and their children closer

B．it can make people feel less stressed from their work

C．we can get some information as quickly as possible

D．we can know what to do under some emergency situations

According to the research of Yale and the University of Pittsburgh,

A．there was a link between a company's success and the personality of its boss.

B．There was no connection between a firm's success and its boss's personality.

C．people could judge a professor's ability by watching short film-clips of lecturing.

D．people could judge a professor's ability only after attending lectures for a full semester.