免疫功能不包括()
A.免疫防御
B.免疫监视
C.免疫稳定
D.免疫记忆
E.免疫逃逸
参考答案:E
_____ wherever you go is the price you pay for being famous.
A.Being recognized
B.To recognize
C.Recognizing
D.Having recognized
下列各组离子在通入SO2前后均能大量共存的是
A.Ba2+、K+、Br-、Cl-
B.Na+、Cu2+、OH-、SiO32-
C.NH4+、Al3+、Br-、AlO2-
D.Li+、H+、NO3-、SO42-