The main idea of the last paragraph is that

A . A. Drunken driving has caused numerous fatalities in the United States. B . B. It’s recommendable to prohibit alcohol drinking around the United States. C . C. The American society is trying hard to prevent drunken driving. D . D. Drunken driving has become a national epidemic in the United State.

A．paper record is the most convenient medium for later reference B．electronic mail costs less than postage to mail paper memos C．different media for information may be selected for different purposes D．by using different media, a firm can create various information for its objectives

A．Adults can continue their learning B．Most continuing education classes are in the evening C．Adults have many opportunities to continue their learning D．Classes are held for working people

A．The Internet is posing a threat to publishers. B．A new mode of publication is emerging. C．Authors welcome the new channel for publication. D．Publication is rendered easier by online service. 此题为多项选择题。

A．human brains differ considerably B．the brain a person is born with is important in determining his intelligence C．environment is crucial in determining a person's intelligence D．persons having identical brains will have roughly the same intelligence

A．organically grown foods are nutritious. B．how to buy organically grown foods. C．what does organically grown foods mean？ D．a general standard should be established to regulate the organically grown produce.

A．Everybody uses only one form. of communication. B．Nonlinguistic language is very useful to foreigners. C．When a language is a barrier, people will find other forms of communication. D．Although other forms of communication exist, oral speech is .the fastest.

A．The division of labor and other economic changes. B．The need for disciplined product planning came out. C．The introduction of the new order. D．The history of the term "design".

A．the present condition and the prospect of TV programs B．soaps' decline in viewers C．profits got by soaps through advertisements D．a brief introduction of soaps

A．parents should leave their children alone B．kids should have more activities at school C．it’s time to be more strict with our kids D．parents should always set a good example to their kids

A．Fire can help people in many ways. B．Fire can be both helpful and dangerous. C．Fire can burn things and people. D．We must be careful with matches.

A．The objections of death penalty have become less severe. B．The death itself is considered inhumane and unacceptable. C．Death penalty opponents only care about how one is put to death. D．The "hygienic" way of execution is even more barbaric. 此题为多项选择题。

A．Online advertising is more effective than TV advertising. B．Google and Yahoo! are challenging Microsoft in the field of advertising. C．Google's new advertising service could make the internet an even more valuable marketing medium. D．Online advertising is popular with advertisers.

A．heat at earth's core B．causes of volcanoes C．roles of pressure D．formation of volcanoes at earth's surface

A．Y B．N C．NG

A．how to cross the street B．how to be safe in your everyday life C．how to use the public phones

A．human brains differ considerably. B．the brain a person is born with is important in determining his intelligence. C．environment is crucial in determining a person's intelligence. D．persons having identical brains will have roughly the same intelligence.