下列哪几项是知母所具有的药理作用
A．解热
B．抗菌
C．降血糖
D．扩张皮肤血管
E．降低交感-肾上腺系统机能
参考答案：A,B,C,E
Mr. Green has made another wonderful discovery, ______ great
importance to science.
A．which I think is of
B．which I think it is of
C．that I think is of
D．I think which is of
以下各项属于绝对权的特征的是（）
A.它的义务人是特定的
B.权利人仅凭自己单方的行为便可使某权利发生消灭
C.其效力及于特定当事人
D.权利人的权利需依靠义务人的行为才能实现
