治疗湿痹、筋脉拘挛、吐泻转筋病证,最宜选用的药物是()
A.木瓜
B.瓜蒌
C.防己
D.秦艽
E.白芍
参考答案:A
As it was his first time to visit the science museum, the boy seemed _______
about everything there.
A.anxious
B.curious
C.particular
D.frightened
土壤缓冲能力的大小与______有关。
A.离子的代换能力
B.腐殖质含量
C.土壤中存在的弱酸
D.土壤中存在的盐类物质