中药广藿香从来源看，入药部位是（）
A.根茎
B.根
C.地上茎叶
D.木质茎
参考答案：C
My uncle is a writer. He ______ many books since he was young.
A．writes
B．wrote
C．is writing
D．has written
对被收容教养的未成年人应坚持( )的原则。
A．教育为主、惩罚为辅
B．惩罚为主、教育为辅
C．教育与惩罚并重
D．重在教育
