【单选题】伤科临诊通过观察苔色,大体上可以反映出何变化( )
【单选题】学生表student包含sname、、age三个属性列,其中age 的默认值是20,执行SQL 语句 INSERT INTO student(, sname, age) VALUES('M', 'Lili',); 的结果是( )。
A.
执行成功,sname, , age的值分别是Lili, M, 20
B.
执行成功,sname, , age的值分别是M, Lili, NULL
C.
执行成功,sname, , age的值分别是M, Lili, 20
【判断题】SQL语句" Insert into 学院(系号, 系名) values ("04", "计算机")的功能是将一条新的记录插入学院表。
【判断题】《垃圾记录簿》每记完一页由负责的高级船员签字
【简答题】The volume of trade has increased tremendously to the advantage of both countries.
【单选题】The volume of trade has increased tremendously to the advantage of both countries.
D.
两国间的贸易额有很大的增加,这使双方都受益。
【单选题】伤科临诊通过观察苔色,大体上可以反映出何变化()
【判断题】The large trade of Belgium and the Netherlands suggests an important role of transport costs and geography in determining the volume of trade.