为避免碰撞,相邻近距离两台集装箱桥吊防撞缓冲器的最小距离定为()厘米。
A、5
B、10
C、15
D、20
参考答案:D
—The girls ____ the boys in that exciting match.
—How surprising! [ ]
A. win
B. beat
C. hit
D. hurt
对于学生信息表:student(sno,sname,sex,age,dept),如果把学生“张明”的姓名改为“张岩”,则正确的语句是
A.UPDATE SET sname=‘张明’WHERE sname=‘张岩’
B.UPDATE student SET sname=‘张明’WHERE sname=‘张岩’
C.UPDATE student SET sname=‘张岩’
D.UPDATE student SET sname=‘张岩’WHERE sname=‘张明’