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Passage OneQuestions 46 to 50 are based on the following passage.Open data sharers are still in the minority in many fields. Although many researchers broadly agree that public access to raw data would accelerate science, most are reluctant to post the

Passage TwoQuestions 51 to 55 are based on the following passage.What a waste of money! In return for an average of ~44,000 of debt, students get an average of only 14 hours of lecture and tutorial time a week in Britain. Annual fees have risen from ￡

Passage OneQuestions 46 to 50 are based on the following passage.Any veteran nicotine addict will testify that fancy packaging plays no role in the decision to keep smoking. So, it is argued, stripping cartons of their branding will trigger no mass mov

Passage TwoQuestions 51 to 55 are based on the following passage.More than 100 years ago, American sociologist W. E. B. Du Bois was concerned that race was being used as a biological explanation for what he understood to be social and cultural differen

Passage OneQuestions 46 to 50 are based on the following passage.Dr. Donald Sadoway at MIT started his own battery company with the hope of changing the world\'s energy future. It\'s a dramatic endorsement for a technology most people think about only wh

Passage TwoQuestions 51 to 55 are based on the following passage.Teenagers at risk of depression, anxiety and suicide often wear their troubles like a neon (霓虹灯)sign. Their risky behaviors--drinking too much alcohol, using illegal drugs, smoking cig

Passage OneQuestions 46 to 50 are based on the following passage.The Paris climate agreement finalised in December last year heralded a new era for climate action.For the first time, the world\'s nations agreed to keep global warming well below 2℃.This

Passage TwoQuestions 51 to 55 are based on the following passage.These days, nobody needs to cook.Families graze on high—cholesterol take—aways and microwaved ready-meals.Cooking is an occasional hobby and a vehicle for celebrity chefs.Which makes it

Passage OneQuestions 46 to 50 are based on the following passage.Facing water shortages and escalating fertilizer costs, farmers in developing countries are using raw sewage(下水道污水)to irrigate and fertilize nearly 49 million acres of cropland, acco

Passage TwoQuestions 51 to 55 are based on the following passage.America’s education system has become less a ladder of opportunity than a structure to transmit inequality from one generation to the next.That’s why school reform is so critical.This i

Passage OneQuestions 46 to 50 are based on the following passageManufacturers of products that claim to be environmentally friendly will face tighter rules on how they are advertised to consumers under changes proposed by the Federal Trade CommissionTh

Passage TwoQuestions 51 to 55 are based on the following passage·What can be done about mass unemployment?All the wise heads agree：there’re no quick or easy answers. There, s work to be done, but workers aren’t ready to do it—they’re in the wrong

Passage OneQuestions 46 to 50 are based on the following passage.Interactive television advertising, which allows viewers to use their remote controls to click on advertisements, has been pushed for years. Nearly a decade ago it was predicted that view

Passage TwoQuestions 51 to 55 are based on the following passage.“There’s an old saying in the space world: amateurs talk about technology, professionals talk about insurance.” In an interview last year with The Economist, George Whitesides, chief e

Passage OneQuestions 46 to 50 are based on the following passage.More than a decade ago, cognitive scientists John Bransford and Daniel Schwartz, both then at Vanderbilt University, found that what distinguished young adults from children was not the a