【单选题】听力原文: A Palestinian gunman opened fire in a Jewish religious school in west Jerusalem on Thursday [killing at least eight Israeli students.] More than 30 others were wounded. It's the deadliest attack...
【单选题】In 99 cases out of a 100, insomnia(失眠) is caused by a distce of the natural sleep rhythm. The reasons why the rhythm has been disturbed are many they can range from drugs to alcohol to mental ill...