在备电自动保护后,为提示用户消防报警系统已关闭,控制器会提示()小时的故障声。
(A)0.5
(B)1
(C)1.5
(D)2
参考答案:B
How nervous we are ________ the coming high school entrance exams _______ June 15th.
A.thinking of ; on
B.to think of; on
C.thinking of ; in
D.to think of; in
功能通便解毒,退黄,止咳的药是
A.大黄B.栀子C.郁金D.虎杖E.牛膝