胸腹部挫伤,尤宜选用的药对应是:()
A.桃仁,红花
B.三棱,莪术
C.蒲黄,五灵脂
D.乳香,没药
E.当归,川芎
参考答案:D
牙本质中无机盐的含量约为重量的()。
A.70%
B.50%
C.90%
D.96%
E.69%
—What ’s the matter? ---There is _______with my computer.
A. wrong something B. something wrong C. anything wrong