【单选题】—The presidents of China and the USA had ________ interview a short time ago. —And it was ________ great success.
【单选题】因宫颈内口松弛引起习惯性流产者,若已妊娠,需行宫颈内口缝扎术的时间是( )
【单选题】The time he has devoted in the past ten years ________ the disabled is now considered ________ of great value.
【单选题】It was the fifth time that he ______ to such a meeting.A.have been invitedB.was invited C.had in
A.
35. It was the fifth time that he ______ to such a meeting. A.have been invited
【多选题】专家系统相比于人类专家,具有以下哪些特点?( )
【单选题】( 29 )在模块的声明部分使用 “ Option Base 1 ” 语句,然后定义二维数组 A(2 to 5,5) ,则该 数组的元素个数为