教师专业发展的阶段性表明，教师任职期间应接受 ( )
A．高等教育
B．在职培训
C．继续教育
D．终身教育
参考答案：C
The earthquake victims were given clothes and food, without which they of cold and hunger.
A．would die
B．will die
C．have died
D．would have died
将0.400mol/L的NH3·H2O与0.200mol/LHCl等体积混合，在混合后的溶液中加入少量强酸，则溶液的pH将（）。
A.显著降低
B.显著增加
C.保持相对稳定
D.不变
