So long as teachers fail to distinguish between teaching and learning, they will continue to undertake to do for children that which only children can do for themselves. Teaching children to read is n
Directions: In this part there is a short passage with five questions or incomplete statements. Read the passage carefully. Then answer the questions or complete the statements in the fewest possible
The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 in
The rise of multinational corporations (跨国公司), global marketing, new communications technologies, and shrinking cultural differences have led to an unparalleled increase in global public relat
Brazil has become one of the developing world’s great successes at reducing population growth-but more by accident than design. While countries such as India have made joint efforts to reduce bi
There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to give children something to do.In the ancient world, as is today
CONCEPTION and cancer, which mark the beginning and, often, the end of life, share some molecular details. Cancer cells copy their contents and divide rapidly; so do newly fertilized eggs. This requir
A meaty questionIF YOU have ever longed for a meat substitute that smelt and tasted like the real thing, but did not involve killing an animal, then your order could be ready soon. Researchers believe
Aircraft emissions: The dirty skyAll big ideas start life on the fringes of debate. Very often it takes a shocking event to move them into the mainstream. Until last year interest in climate change wa
Behind the bleeding edgeMANKIND'S progress in developing new gizmos is often referred to as the "march of technology". That conjures up images of constant and relentless forward movement orc