蛲虫最主要的感染途径是（）
A.通过呼吸道感染
B.通过玩具、食物等间接感染
C.血液接触
D.虫卵从肛门至手经口感染
E.逆行感染
参考答案：D
No conclusion _______ about whether to tear down the old buildings for a theme park until
several discussions have been held. [ ]
A. will be reached
B. is reached
C. is being reached
D. has been reached
男性，25岁。双下肢热液烫伤，浅Ⅱ度。
创面抗菌药物可选用（）。
A.青霉素
B.头孢菌素
C.多黏菌素
D.碘伏
E.制霉菌素
