碱性蓄电池充电开始后,每间隔()检查每个电池的电压正常,温度低于40℃。
A、1h
B、2h
C、3h
D、4h
参考答案:B
—I’m sorry, but the boss isn’t here yet. Shall I have him call you when he comes back?
—No, I’ll call him back. If I call again in half an hour, do you think she ________ ?
A.had arrived
B.has arrived
C.will arrive
D.will have arrived
韩愈所引导的文学改革运动是()
A.散文运动
B.骈文运动
C.古文运动
D.新乐府运动