巴豆去油制霜用的目的是（）
A.增强疗效
B.减低毒性
C.便于贮藏
D.便于服用
E.缓和药性
参考答案：B
高度不调属于（）
A.毛变均分类第1类错
B.毛变均分类第Ⅱ类错
C.毛变均分类第Ⅲ类错
D.毛变均分类第Ⅳ类错
E.毛变均分类第Ⅴ类错
My father _______ newspapers in the 1iving room when I ______ home yesterday. [ ]
A. read; got
B. was reading; got
C. read; was getting
D. was reading; was getting
