The passage is ______．

A．The Human Sense of Smell B．Dogs Have Poor Eyesight C．Sense of Smell D．Dogs Have Excellent Sense of Smell

A．Japan' s Big Bang B．London' s Big gang C．Financial problems in Japan D．Deregulation of Japan' s financial restrictions

A. the agriculture revolution B. the invention of labor-saving machinery C. the development of scientific agriculture D. the farming machinery in America

A．color and traffic accidents B．color and manufacturers C．which color might influence human feelings D．why color affects human emotions and behavior

A．Consumer's Purchasing Power B．Relationship between Income and Purchasing Power C．Traditional Assumptions D．Studies in Consumer Behavior

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．The Twenties B．The Great Crash C．The Depression D．The End of World War Ⅰ

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．the importance of education B．the importance of play C．the children's speech development D．the relationship between play and study

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．describe the harmful air pollution B．explain the way to prevent air pollution C．show the worries about the air pollution D．recommend a method to avoid air pollution

A.the results of an opinion poll B.what constitute the．best formula for happiness C.the importance of wealth to happiness D.why some people are happy and some are riot

A．Make English Our Official Language B．Immigrants and Their Languages C．Communication Problem with Immigrants D．The Spanish Language in the U. S.

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．Escaping from the Windows B．Save Yourself in the Burning House C．Knowledge on Fire D．Waiting for Help

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.why computer criminals are often able to escape punishment B.why computer crimes are difficult to detect by systematic inspections C.how computer criminals mange to get good recommendations from their former em-ployers D.why computer crimes can’t be eliminated

A．Warning Against Making Online Friends B．Messages One Can Get Through the Internet C．How to Make Online Friends D．How to Protect Your Child on the Internet

A．to analyze the situation we are in. B．to warn us of the danger Earth faces. C．to identify nine planetary boundaries. D．to delineate the limits to human growth.

A．To Find New Kinds of Power Is Urgent B．The Increasing of the World Population C．Riches of the Sea D．Man Can Farm under the Sea in the Future