雅思英语

When was the last time you saw a frog? Chances are, if you live in a city, you have not seen one for some time. Even in wet areas once teeming with frogs and toads, it is becoming less and less easy t...

The Australian political scene is dominated by two major parties that have quite different political agendas. However, the policies of the Australian Labor Party and the Liberal Party have become much...

Para 1.?The need for a satisfactory education is more important than ever before. Nowadays, without a qualification from a reputable school or university, the odds of landing that plum job advertised ...

Rogue theory of smell gets a boostPublished online： 6 December 2006Rogue theory of smell gets a boost1. A controversial theory of how we smell， which claims that our fine sense of odour depends on...

Why did a promising heart drug fail?Doomed drug highlights complications of meddling with cholesterol.1. The failure of a high-profile cholesterol drug has thrown a spotlight on the complicated machin...

The Triumph of UnreasonA. Neoclassical economics is built on the assumption that humans are rational beings who have a clear idea of their best interests and strive to extract maximum benefit (or “u...

new weapon to fight cancer1. British scientists are preparing to launch trials of a radical new way to fight cancer, which kills tumours by infecting them with viruses like the common cold.2. If succe...

From The Economist print editionHow shops can exploit people’s herd mentality to increase sales1. A TRIP to the supermarket may not seem like an exercise in psychological warfare—but it is. Shopke...

Sleep medication linked to bizarre behaviourNew evidence has linked a commonly prescribed sleep medication with bizarre behaviours, including a case in which a woman painted her front door in her slee...

A.When Denis Hennequin took over as the European boss of McDonald’s in January 2004， the world’s biggest restaurant chain was showing signs of recovery in America and Australia， but sales in E...