【单选题】(2013·高考浙江卷)During the last three decades,the number of people participating in physical fitness programs ________ sharply.
【判断题】( )机器人手爪和手腕最完美形式是模仿人手的多指灵巧手。
【单选题】During the 1980s, unemployment(失业人数)and underemployment(不充分就业)in some in some countries was so high as 90 per cent. Some countries did not【B1】enough food; basic needs in housing and clothing were not【...
【判断题】单位产品的价格越高,越能实现企业利润最大化。
【简答题】无效造血主要见于____、____、____。
【单选题】—How about getting a part-time job during the summer holidays? — , but I have promised to visit my cousin in Japan.
D.
No, I’m terribly sorry
【简答题】测量时,记录员应对观测员读的数值,再复诵一遍,无异议时,才可记录在表中。记录有误,不能用橡皮擦拭,应_____________。