下列属于工业产权的是（）
A.中药专著
B.中医学著作
C.中医药行业的计算机软件技术
D.中药产品商标
E.中药材产地名称
参考答案：D
Mr. Wang told us that he would devote all the time he could spend _______ his oral English before going abroad.
A．improve
B．to improve
C．improving
D．to improving
C-101淹塔的原因是什么？
