Ann is   1  American worker. She works  2 __a big factory(工厂) in America. It’s  3  __in the morning. Ann  4 _ up. She is sitting on the bed. She is putting  5 __her clothes. She   6   _nothing to do today.

Now Ann    7  at the table. She is    8  her breakfast. There is a cup of orange and some bread on the table. Ann is  9  the orange and eating the bread. She is  10 today’s newspaper.

小题1:A. a                   B. an                   C. the

小题2:A. in                   B. on                   C. at

小题3:A. half six              B. half past six         C. six past half

小题4:A. gets                 B. is geting             C. is getting

小题5:A. off                  B. down               C. on

小题6:A. has                  B. have                C. is having

小题7:A. sit                   B. sits                 C. is sitting

小题8:A. eating               B. eat                 C. eats

小题9:A. seeing              B. eating              C. drinking

小题10:A. reading              B. watching           C. seeing

在手术当天，患者为避免输血引起的一系列并发症，在麻醉前或麻醉后，通过一路动脉或静脉采取一定量的自体血。同时，通过另一路静脉快速补充相应量的晶体和（或）胶体液。

该病人同时补充的晶体液+胶体液比例为（）。

A.3：1

B.3：2

C.1：1

D.2：1

E.4：1