The main idea of this passage 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．most marketable pearls are cultured because nature does not produce enough of its own to satisfy the market B．cultured pearls are of a higher quality than natural pearls C．there are two major methods of pearl-making D．a natural "drought" of pearl production is taking place

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．English words in other languages. B．Words from India. C．The usage in English of words from other languages. D．How the word shampoo was first used in English

A．many animals die during hibernation B．hibernation protects animals during the wintertime C．scientists feel puzzled about hibernation D．some bats hibernate and others do not

A.The price of Beijing's office space rises higher B.Different costs of office space all over the world C.The cost of Beijing's office space ranks the top D.Air pollution doesn't influence Beijing's office space

A．Censors are fully qualified for their job. B．Many publications and films are not works of art. C．Society will not do without censorship. D．Works of art should be set apart front pornographic works.

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 use of man-made materials has had harmful effects on the modern civilization B. pollution has become a more and more serious problem that is threatening the survival of humanity C. our technological achievements have grown very rapidly in the last twenty years D. we should not make increasing industrialization our chief aim

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．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．differences of temperaments of the five writers B．What is the center of the cosmos C．the common concepts of the five writers D．some briefs concerning the relationship between humanism and democracy 此题为多项选择题。

A．employers are checking more closely on applicants now B．lying about college degrees has become a widespread problem C．college degrees can now be purchased easily D．employers are no longer interested in college degrees

A.Drivers should apply road politeness properly. B.Strict traffic regulations are badly needed. C.Rude and inconsiderate drivers should be punished. D.Drivers should try their best to avoid traffic jams.

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) better use of greenspace facilities should be made so as to improve the quality of our life B) attention must be directed to the improvement of recreative possibilities C) the urban environment is providing more recreation activities than it did many years ago D) priority must be given to the development of obligatory activities

A.The importance of reading. B.The proper way to read. C.How to get most from one book. D.The characters of a good book.

A．introduce the institutions in higher education B．evaluate the institutions in higher education C．clarify the institution terms in higher education D．classify the institutions in higher education