Things____ (change) a lot in the past years.
If the printer should break down under g____, we would repair it at our expense.
清代陶煦的《租核·推原》记载:“金宝庐舍,转瞬灰烬,惟有田者,岿然而独无恙。故上自绅富,下至委巷工贾胥吏之俦,赢十百金,即莫不志在良田。”该现象产生的影响不包括( )
①蚯蚓 ____ A、皮肤和鰓
②鲫鱼 ____ B、气囊和肺
③家鸽 ____ C、鰓
④青蛙 ____ D、湿润和体壁