[单项选择]There are many reasons underlying today's environmental problems EXCEPT ______.
A. accelerating decline in the quality of the environment
B. rapidly expanding human population
C. advancing technology
D. growing demands in the environment

[单项选择]There are many reasons underlying today's environmental problems EXCEPT ______.


A. accelerating decline in the quality of the environment
B. rapidly expanding human population
C. advancing technology
D. growing demands in the environment

[单项选择]One of the reasons why many believe that it is wrong for advertisers to target children is
A. to much money is spent on advertising targeted at young children
B. young children lack the ability to understand the intent of advertisements
C. young children are skeptical of advertisements that make false claims
D. children are too young to smoke cigarettes

[单项选择]The author suggests that many of today's early marriages are a result of ______.
A. escapism
B. theological advocating
C. lack of education
D. social development

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In many ways, today’s business environment has changed qualitatively since the late 1980s. The end of the Cold War radically altered the very nature of the world’s politics and economics. In just a few short years, globalization has started a variety of trends with profound consequences: the opening of markets, true global competition, widespread deregulation (解除政府对......的控制) of industry, and an abundance of accessible capital. We have experienced both the benefits and risks of a truly global economy, with both Wall Street and Main Street (平民百姓) feeling the pains of economic disorder half a world away.
At the same time, we have fully entered the Information Age. Startling breakthroughs in information technology have irreversibly altered the ability to conduct business unconstrained by the traditional limitations of time or space. Today, it’s almost impossible to imagine a world without intranets, e-mail, and portable computers. With stunning speed, the I
A. technological advances
B. worldwide economic disorder
C. the fierce competition in industry
D. the globalization of economy

[单项选择]Today, many teachers wear the same kind of clothes to school as their students.

[单项选择]Today's corporate executive officers resemble the industrialists and agriculturists in the past in their realization of

[单项选择]

There are many reasons of the tidal action which is a very complicated phenomenon involving many factors all of which must be considered to predict tide in any one place at any one time. The alternate rise and fall of the surface of the seas and the ocean is mainly caused by the attractive force of the moon alone. When the attraction is great, the tide is high; and conversely when the attraction is minimal, the tide is low. Between the high and the low tide is a period of a little over six hours, being called during its rise a flood tide, and during its fall an ebb tide.
The sun also exerts its effect on the tide, being a lit fie less than half as much as the moon, although its mass is so much greater. When the moon and the sun are horizontal, the highest high tide occurs and when they are vertical the lowest low tide takes place.
The wind also plays an important part in the modification of the normal rise and fall of the tide. Thus these factors affect each ot
A. 7:20 Ａ.M.
B. B．8:00 Ａ.
C. C．1:45 P.