职称英语考试模拟试题
Multivitamins Urged for All Pregnant Women A recent study in Tanzania found that when pregnant women took vitamins every day, fewer babies were ......
A Sunshade for the Planet Even with the best will1 in the world，reducing our carbon emissions is not going to prevent global warming.It has be ......
Bringing Nanotechnology to Health Care for the Poor Nanotechnology uses matter at the level of molecules and atoms. Researchers are finding dif ......
Japanese Car Keeps Watch for Drunk Drivers A concept car developed by Japanese company Nissan1 has a breathalyzer-like detection system and oth ......
Invisibility Ring Scientists can’t yet make an invisibility cloak1 like the one that Harry Potter2 uses.But，for the first time，they&rsq ......
Sugar Power for Cell Phones Using enzymes commonly found in living cells，a new type of fuel cell produces small amounts of electricity from su ......
Flying the Hypert1 Skies A little airplane has given new meaning to the term “going hyper.” The Hyper-X2 recently broke the reco ......
ElectricBackpack Backpacks are convenient. They can hold your books，your lunch，and achange of clothes，leaving your hands free to do other th ......
Kidney Disease and Heart Disease Spur Each Other Hearts and kidneys: If one’s diseased, better keep a close eye on1 the other. Surprising ......
Dangerous Sunshine to Children Two United Nations1 agencies warned on Tuesday that children are most at risk of developing skin cancers as a re ......
U.S. Eats Too Much Salt People in the United States consume more than twice the recommended amount1 of salt, raising their risk for high blood ......
Fruit and Vegetable Juices as Beneficial to Health as Fruits and Veggies1 A European study has revealed that 100 percent fruit and vegetable ......
