题型:选择题 As a member of the Wild Animals Club, he ____ buys furs.A.usuallyB.sometimesC.oftenD.never 查看答案
题型:选择题 Zhang Yining and Wang Nan are main__________ of the National ping-pong team. [ ]A. a member B. member C. members D. an member 查看答案
题型:单项选择题 用例用来描述系统在对事件作出的响应时所采取的行动,用例之间是具有相关性的。在一个订单输入子系统中,创建新订单和更新订单都需要核查用户账号是否正确。那么用例“创建新订单”,“更新订单”与用例“核查客户账号”之问的关系是______。A.包含B.扩展C.分类D.聚集 查看答案