模块之间的通信只限于其()。
A.直接上级模块
B.同级模块
C.下级模块
D.直接上下级模块
参考答案:D
I was awfully tired when I got home from work, but a half-hour nap ______ me.
A.revived
B.released
C.relieved
D.recovered
滴定分析中,一般利用指示剂颜色的突变来判断化学计量点的到达,在指示剂变色时停止了滴定,这一点称为()
A.化学计量点
B.滴定分析
C.滴定
D.等电点
E.滴定终点