【简答题】活动逻辑关系中的“结束(A)—开始(B)”关系是指() A活动A不结束,活动B不能开始 B活动A结束时,活动B必须已经开始 C只有活动B开始后,活动A才能结束 D活动A结束与活动B开始必须同时进行
【单选题】活动逻辑关系中的“结束A—开始B”关系是指( )
【单选题】有聊天系统用servlet实现,用户发表言论时,需要对文字的敏感信息自动过滤,采用过滤器来实现,过滤的方法在( )中实现。
【单选题】It was in Yuexiu Park _____ they dated for the first time _____ the old couple told us their story.
【单选题】Yuexiu Park is really beautiful. In fact I doubt whether Guangzhou has ____ park. [ ]
【单选题】活动逻辑关系中的“结束(A)一开始(B)”关系是指( )。
【单选题】The urban population of the world ______ .
A.
has risen to around forty percent in the last 200 years
B.
will have risen to more than fifty percent by the year 2010
C.
has risen by forty-five percent since 1800
D.
will live in cities for the first time
【单选题】当保险合同被认定为无效合同后,其通常的处理方式不包括( )。
【单选题】活动逻辑关系中的“结束(A)---开始(B)”关系是指( )
【单选题】The author suggests that in Canada during the 1950s ______.
A.
the urban population decreased rapidly
C.
economic conditions were poor
D.
the birth rate was very high