麻醉药在两相中达到平衡是的麻醉药浓度比为
A.LD50
B.分配系数
C.ED50
D.T1
E.可靠安全系数
参考答案:B
Her shoes _____ her dress; they look very well together.
A.compare
B.fit
C.suit
D.matched
“提运单号”栏应填( )。
A.DSDF HU/901
B.DHF32872374
C.528244237
D.KJDIF-273