老年性动脉硬化多发生在()
A.30~40岁
B.40~50岁
C.50~60岁
D.60~70岁
E.70~80岁
参考答案:C
I was disappointed with the film . I had expected ______ to be much better.
A.that
B.this
C.one
D.it
动物胶类药物宜采用的炮制方法是()
A.蛤粉炒
B.滑石粉炒
C.砂炒
D.米炒
E.麸炒