肠溶衣材料（）
A.HPMC
B.明胶浆、滑石粉
C.PVA
D.CAP
E.糖浆
参考答案：A
某老师准备在期末对学生进行奖励，到文具店买了20本练习簿和30支铅笔，共花了16元，现在知道练习簿比铅笔贵3角．求练习簿和铅笔单价？
Julie was good at German，French and Russian，all of ________ she spoke fluently.(2011·湖南)
A．who
B．whom
C．which
D．that
