根据句意及汉语提示完成句子（10分）

小题1:The students are r__________books in the library.      

小题2:They teach in a school, they are t_____________.          

小题3:Please write and tell me about ___________(你自己）.   

小题4:— How many students are there in your school?

—About nine h___________.                     

小题5:Some students are collecting l___________ in the park．

小题6:It is going to be a f        weekend.       

小题7:We’re all looking forward to ___________ (watch)the 2012 Olympic Games.     

小题8:The old man lives     （独自）and at weekends his sons visit him.          

小题9:I will spend 10 more minutes ____________ (wait) for you at the school gate.     

小题10:I don’t know what _______________ for the fashion show.  (choose)          

急性左心衰时，鼻导管吸入高浓度氧为（）。

A.1～2ml／min

B.2～4ml／min

C.4～8ml／min

D.8～12ml／min

E.10～20ml／min