Very often the main idea of a paragraph is directly stated in the sentence, which is often found at the beginning of a paragraph; sometimes it is in the middle or at the end of the paragraph.

A . a filter B . a strainer C . a magnetic filter D . a fine strainer

A、purpose B、interested C、regularly D、order

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．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.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 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 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．facts and statistics from recent research findings B．direct quotations from conservation experts C．his own observations and opinions D．quotations and observations from media experts 此题为多项选择题。

A．Y B．N C．NG

A．New York is moving fast and is getting nowhere B．New York seems to be changing for the worse C．New York is a leader among American cities D．New York is often criticized for being in great mindless rush

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

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.