A．喝大量开水
B．喝大量牛奶
C．喝大量氯化钠溶液
D．喝大量葡萄糖水
答案：B
Parents __________ much importance to education.They will do their best to give their children that
priceless gift.[ ]
A. attach
B. pay
C. link
D. apply
简述有机溶剂沉析的原理？
