既能杀虫又能除湿热止痒的药物是（）
A.苦楝皮
B.大腹皮
C.广陈皮
D.桑白皮
E.合欢皮
参考答案：A
I'd like to help____ the box[ ]
A. she carry
B. he to carry
C. her carry.
D. her carrying
什么是物理爆炸？
