钩体革兰染色为_______，镀银染色被染成_______。

钩体病根据临床表现的主要特点可分为______、______、______、______、______。

钩体病病理损害的基本特点为________________________。

钩体病眼部后发症主要表现为________、________、_______。

铸体病病原治疗的首选药是____血吸虫病病因治疗的首选药是____，治疗肠内、肠外阿米巴病的首选药物是____。

孕妇早、晚期梅毒首选____抗生素治疗。

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

治疗囊尾蚴病首选_______________。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

   水痘自发病前_____天直至结痂为止，有很强的传染性，本病为_____或_____传播。