真题考研

Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of an...

Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agricultural b...

We can see how the product life cycle works by looking at the introduction of instant coffee. When it was introduced, most people did not like it as well as regular” coffee, and it took several ...

Some pessimistic experts feel that the automobile is bound to fall into disuse. They see a day in the not-too-distant future when all autos will be abandoned and allowed to rust. Other authorities, ho...

Is there enough oil beneath the Arctic National Wildlife Refuge (保护区) (ANWR) to help secure America’s energy future? President Bush certainly thinks so. He has argued that tapping ANWR&rsq...

"Tear them apart!” Kill the fool!” Murder the referee (裁判)!" These are common remarks one may hear at various sporting events. At the time they are made, they may seem innoce...

Consumers are being confused and misled by the hodge-podge (大杂烩) of environmental claims made by household products, according to a green labeling” study published by Consumers Internation...

Two hours from the tall buildings of Manhattan and Philadelphia live some of the world’s largest black bears. They are in northern Pennsylvania’s Pocono Mountains, a home they share with a...

Just five one-hundredths of an inch thick, light golden in color and with a perfect saddle curl,” the Lay’s potato chip seems an unlikely weapon for global domination. But its maker. Frito...

In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement. We&rs...