琼玉膏中体现“虚则补其母”的药物()
A.生地、蜂蜜
B.生地、熟地
C.人参、生地
D.茯苓、蜂蜜
E.茯苓、人参
参考答案:E
---This is _________ film I’ve told you about several times.
---It’s great. I’ve never seen ________ more moving one.
A.a; a
B.the; the
C.a; the
D.the; a
在环境温度为-15~17℃时,采用油浴方式的开式齿轮传动推荐使用齿轮油的粘度约在()。
A.151~216
B.193~257
C.22~26
D.32~41