Jack often sends his homework to his teacher email. [ ]
A. with
B. for
C. by
D. in
答案:C
肾精不足型“眩晕”的特点是()
A.眩晕头重如蒙
B.眩晕动则加剧
C.眩晕耳鸣,头痛且胀
D.眩晕且精神萎靡
E.眩晕头痛
某事业单位2008年12月31日结账前的资产负债表如下: