当磨钝标准相同时，刀具寿命越低，表示刀具磨损（）。
A、越快
B、越慢
C、不变
D、很慢
参考答案：A
Would you like ______ with us? [ ]
A. to have a cup of tea
B. have a cup of tea
C. to eat a cup of tea
D. having a cup of tea
独活、羌活均具有的功效是（）
A.祛风湿，活血通络，清肺化痰
B.健脾除痹，利水消肿
C.祛风湿，利关节，解毒
D.健脾益气，燥湿利尿
E.祛风湿，止痛，解表
