【单选题】A In China,more and more middle school students are getting shorter sleeping time than be-fore. Most students sleep less than nine hours every night,because they have much homework to do. Some homewor...
【判断题】In China, people, especially women, do not like to be tanned at all. We think fair skin is more beautiful, so skin whitening creams are extremely popular in China and in sunny days the anti-UV umbrell...