Doomed drug highlights complications of meddling with cholesterol.1. The failure of a high-profile cholesterol drug has thrown a spotlight on the complicated machinery that regulates cholesterol level
2014年雅思阅读练习题及答案汇总12014年雅思阅读练习题及答案122014年雅思阅读练习题及答案232014年雅思阅读练习题及答案342014年雅思阅读练习题及答案45
Sun’s fickle heart may leave us cold25 January 2007From New Scientist Print Edition.Stuart Clark1 There’s a dimmer switch inside the sun that causes its brightness to rise and fall on timescales o
How a Frenchman is reviving McDonald’s in EuropeA.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 rec
A.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 “utility”, in economist-
Standard museum practice can wash away DNA.1.Washing，brushing and varnishing fossils — all standard conservation treatments used by many fossil hunters and museum curators alike — vastly reduces
Guardian Unlimited1.A European spacecraft took off today to spearhead the search for another “Earth“ among the stars.2.The Corot space telescope blasted off aboard a Russian Soyuz rocket from the
Do the following statements agree with the information given in the reading passage? For questions 7-12 writeYES if the statement agrees with the informationNO if the statement contraicts the informat
1. The failure of a high-profile cholesterol drug has thrown a spotlight on the complicated machinery that regulates cholesterol levels. But many researchers remain confident that drugs to boost level
Rogue theory of smell gets a boost1. A controversial theory of how we smell, which claims that our fine sense of odour depends on quantum mechanics, has been given the thumbs up by a team of physicist