长期应用引起精神抑郁()
A.地西泮
B.胍乙啶
C.普萘洛尔
D.庆大霉素
E.格列奇特
参考答案:B
Because of Project Hope, _____ children have better lives. [ ]
A. thousand
B. thousands
C. thousand of
D. thousands of
什么是固体废物管理规划?