From the passage we know that "the greenhouse effect" is an effect in which______.

A . the size of a container B . a container with attractive picture C . a well-designed container D . a plain container with low cost

A．Hollerith was a good businessman B．International Business Machines was the original name of the company Hollerith set up C．Watson was business-minded D．Hollerith&39;s machine found little use in the 1890 census

A．a catalogue may show you what a company is selling B．it is easier and more enjoyable to shop around stores C．you can set up your own shop with a catalogue

A．every American cannot have guns B．only soldiers and police can have guns C．every American citizen can own guns D．teachers have no money to buy guns

A．The writer's sister is kind and clever. B．The mother is angry with the writer. C．The writer is always thinking of her mother.

A、Win 2000 retains few features of the NT 4.0 B、Win 2000 differs a lot from the NT 4.0 C、Win 2000 is the same as the Windows version NT 5.0 D、NT 4.0 and Windows 2000 have almost the same characteristics

A．humans, worms and rodents are different. B．most people are not willing to be put on a strict diet. C．the effect is not known. D．genetic changes in tissues can not be performed on humans.

A．a popular TV reporter B．a TV reporter few people know C．a TV reporter ordinary people don't like D．an unknown TV reporter

A．preferred literature to linguistics. B．used to live in the outskirts of the city. C．didn't like reading writers like Updike. D．didn't get along well with her roommates.

A．like willow trees B．enjoy eating fallen leaves C．talk to caterpillars D．send a special vapor

A．rocky eminences B．high and flat C．low and sandy D．high and sandy

A．a ship passing by B．themselves C．Frank Hurley D．people on the Elephant Island

A. controversial proposals Can be found only among the presidential nominees． B. using pupils’test scores to identify ineffective teachers has been widely accepted． C. both Democratic presidential nominees support the idea of accountability． D. neither the Republican ilor the Democratic presidential nominees favor NCLB．

A.two million B.300，000 C.480 times 300，000 D.400，000

A．most of the gifted children became white collars. B．Half of the gifted followed up graduated from all colleges. C．Each of the talented published at least one article. D．Bright men got higher income than bright women.

A．American businessmen do things more quickly than Japanese ones B．American businessmen like to say "Yes" and "No" C．Americans usually say what they are thinking D．Americans do not express themselves clearly

A．Panama was ruled by three countries for 400 years B．The United States controlled the Panama Canal for 22 years C．The Panama Canal means a great deal to Panama's economy D．Panama is the smallest county in Central America

A．women were not willing to go out for work in the past. B．families ate lunch at a fixed time at home. C．most of the vegetables people ate were produced by themselves. D．foods sold in the grocer's shop were rare and fresh.

A．excavators have been replaced by specialist analysers. B．research design comes into being with changes in archaeology. C．field work in the past possesses a strategic nature. D．processual archaeology makes excavation lose its function.

A．has a Navajo mother and a white father. B．has lifted ideas from other literary works. C．has been suffering from visionary seizures. D．has told a story of his own experience.

A．We should know more about money itself rather than avoid talking about it B．Money itself can interest us and bring us happiness C．The more money we earn, the more we should know about it D．It is a shame that people talk too much about money