如图,当VA=VB=0时,VZ=()V。
A.12
B.1.2
C.-1.7
D.1.7
参考答案:C
—How old is your brother?
—_____. We had a party for his _____ birthday last Sunday(上个星期天). [ ]
A. Nine; nine
B. Nine; ninth
C. Ninth; ninth
D. Ninth; nine
()有权向安全监管监察部门举报安全生产非法违法行为。
A.任何单位和个人
B.只有单位在职员工
C.只有安全监察人员