【单选题】In an economy, 42 million people are in the labor force, 38 million are employed, and 47 million are of working age. How many people are not in the labor force?
【判断题】公元前5世纪以后,犹太在民间出现了以先知自居的一批人。
【判断题】图示化合物【图片】命名为:3-(5-羟基-2,4-二甲氧基苯基)丙醛
【单选题】当地球转到3月21左右的位置时,地球上将表现为
【单选题】Many people are not used to __________ before many people.
【单选题】Many people are not aware of ________ new technologies are already being used in the home.
【单选题】Many people are not________the danger of their children's bad habits, which lead to failing to make their dreams come true.
【判断题】图示化合物【图片】命名为:2,3-二甲基-1,3-己二烯
【简答题】A.The mental disorder is very serious. B.Many people are not as serious as they've been told. C.The symptoms are easy to be defined. D.More and more people are caught by the psychological disorder.