The passage is mainly concerned with _______.

A．what physical features the giraffe has B．how the giraffe's heart works C．how the giraffes heart pumps blood to its head D．how the giraffes can stand up to high blood pressure

A．functions of dreams. B．time spent on dreams. C．history of dreams. D．limitations of dreams.

A．why animals can learn B．why man is different from animals C．why animals cannot speak D．why man has a big brain

A．call on more women to work outside the home B．stress the necessity for women to work harder C．point out the problems faced by working women D．analyze the roles played by professional women

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. to describe how American children spend their summer. B. to explain the needs of the modern working families. C. to discuss the problems of the current school calendar. D. to persuade parents to stay at home to look after their kids.

A．The development of e-mail in the world. B．The advantages of e-mail. C．The popularity of writing in people's life. D．A comparison between e-mail and long-distance calls.

A) teachers should do as little as possible in helping students learn to read B) teachers should encourage students to read as widely as possible C) reading ability is something acquired rather than taught D) reading is more complicated than generally believed

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．why men and women use different words in their talks B．why men and women misunderstand each other in their talks C．how men and women achieve a balance in their daily life D．how men and women learn to help each other in their daily life

A．workaholics are usually successful people, but their lives are in a mess B．workaholism can lead to serious problems but it can also create a joyful life C．people who indulge in their work may enjoy movies, sports and other kinds of entertainment D．those who work even under difficult conditions may be very happy

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．Suggestions and techniques to help one better organize his time, study habits and resources. B．Plan or technique that could be labeled as the best and be guaranteed to fit each individual C．Efficient use of time will enable you to include both work and play. D．Activities as if going to school is a business.

A．the fact that it is not the safest way to invest in the stock market B．buying and selling shares in the stock market C．the ways to invest in the stock market D．where one can buy or sell the shares

A) how to make a wise buying decision B) ways to protect the interests of the consumer C) the positive and negative aspects of advertising D) the function of advertisements in promoting sales

A．Less physical exercises. B．Oversleeping. C．Irrational composition of our diet. D．Ageing. 此题为多项选择题。

A．discuss how people view a new invention B．analyze how a new invention changes our lives C．show the necessity for a new invention D．introduce a new invention to the public

A．To outline contrasting types of economic system. B．To explain the science of economic systems. C．To argue for the superiority of one economic system. D．To compare barter and money-exchange markets.

A．the importance of pre-school education． B．the importance of schoolin9． C．the role of play in a child’S development． D．the choice of toys for adolescents．