近似数400万,它的有效数字是[ ]
A.4
B.4,0
C.4,0,0
D.4,0,0,0,0,0,0
答案:C
桂枝加附子汤证的汗出机理是:()
A.里热,迫津液外泄
B.营卫不和
C.肠胃实热结聚迫津外泄
D.阳虚卫外不固
E.邪正分争、正气欲驱邪外出
Tom has a little money in the bank, support his family.
A.on which to
B.with that to
C.with that to
D.with which to