【单选题】You _____ come, but why didn't you appear? [ ]
【单选题】When the library doesn't have the magazine you need, you______.
A.
have to go to another library for it
B.
can ask the librarian to buy a copy for you
C.
can ask the librarian to go to other libraries for it
D.
can borrow it from another library but don't have to go there
【单选题】— Do you need to get there before ten? — No, I . [ ]
【简答题】在自由采食条件下,影响采食量的动物方面因素有哪些?
【单选题】You ________here tomorrow if you have something important to do. [ ]
【多选题】梗阻性肥厚型心肌病治疗中,最常用的药物是( )。
【简答题】采食量对动物生产效率有何影响?影响动物采食量的主要因素有哪些?
【单选题】—Have you brought with you? We won’t have time to come back. —Don’t worry. All the things we need are here, in this big bag.