子宫内膜异位症的临床特点下列哪项是正确的?()
A.多发生于10~50岁
B.病灶局限在生殖系统
C.不影响受孕
D.继发性和渐进性加重的痛经
E.疼痛发生在月经第1~2天
参考答案:D
中药材“丹参”的药效是()通常用于心血管方面的治疗。
European football is played in 80 countries, ()it the most popular sport in the world.
A. making
B. makes
C. made
D. to make