我国莱姆病的主要传播媒介是
A．草原革蜱B．亚东璃眼蜱C．微小牛蜱D．全沟硬蜱E．森林革蜱
参考答案：D
与水共研能形成黄棕色乳状液得的药材是（）
A.乳香
B.没药
C.血竭
D.青黛
E.冰片
The facts have proved that they all have the ______ of solving practical problems.
A. capability B. ability C. capacity D. power
