尿毒症少尿期患者忌输库存血，主要是为防止引起

A．出血倾向

B．输血反应

C．血尿素氮升高

D．血钙降低

E．血钾升高

A: What’s the date today
B: It’s June 16.
A: (16) Then it’s Dragon Boat Festival today, isn’t it
B: Yes. (17)
A: Did you have rice dumplings this morning
B: Sure. (18)
A: I didn’t.
B: What a pity! But I happen to have got some with me. (19)
A: I’d love to. By the way, why do you call it Dragon Boat, Festival
B: Because in China, people race dragon boats this day every year.
A: Oh, I see. (20)
B: You are welcome.
A. We Chinese usually eat rice dumplings this day.
B. I hate eating rice dumplings.
C. Thank you for your rice dumpling.
D. I don’t think so.
E. Would you like to have one
F. Already
G. How about you