【简答题】阅读理解。 Feel tired lately? Has the doctor said he can't find, even with the most advanced equipment, anything wrong with you? Then consider this, you might be in a state of sub-health. Sub-health, also ...
【简答题】Books are steadily increasing in size: the average number of pages has grown by 25% over the last 15 years. A study of more than 2500 books appearing on New York Times bestseller reveals that the aver...
【简答题】Feel tired lately? Has a doctor said he can’t find anything wrong with you? Perhaps he sent you to a hospital, but all the advanced equipment there shows that there is nothing wrong with you. Then , c...
【单选题】听力原文: You may grind your teeth at night. According to a recent survey, at least 8 to 10 percent of the adult population share this malady. It's called sleep bruxism. There's a waking version, too. But...