【判断题】The most frequent word orders found in languages of the world are SVO, SOV and VSO.()
【判断题】碾压速度取决于土壤和被压材料的压实特性.压路机的压实性能与功能.对工程质量的要求以及压层的厚度和作业效率等。碾压速度高,压实厚度增大,压实质量提高,作业效率高。
【单选题】Children are (among) the most frequent victims of violent, (drug-related) crimes (that) have nothing (doing with) the cost of acquiring the drugs.
【单选题】The most frequent cause of major earthquakes is______.
【单选题】某高校学业管理信息系统中选课信息如下表所示,要求学生选课总学分不得超过5学分,在存储学生选课数据的关系数据库中,对总学分的限制属于数据完整性约束的( )约束。
【单选题】在教学管理系统中,学生选课时提交选课结果,此时发出的消息是:
【单选题】某高校的教学管理系统采用如下形式:学生、教师的相关信息以及学生选课情况、教师授课情况、学生成绩均存储在学校教务处主机中,学生通过浏览器进行选课、退课、选课查询以及成绩查询。支持多名学生同时访问。数据库的这种方式属于______。
【单选题】Meeting foreign language requirements for the PhD_________
A.
is the most frequent reason for dropping out
B.
is more difficult for the science candidate than for the humanities candidate
C.
is an essential part of many PhD programs
D.
does not vary in difficulty among universities
【简答题】Young people are the most frequent travellers, with nearly half of those aged between 18 and 20____________.(平均每年外出旅游3次).