80÷4,可以先想______×4=80,所以80÷4=______.
80÷4,可以先想20×4=80,所以80÷4=20.
故答案为:20,20.
补全对话。
(A-Alice B-Bill H-Helen J-John T-Tim)
A: 1. ______ me, Bill. Is this 2. ______watch?
B: No, it's his watch.
A: What's 3. ______ name?
B: David.
A: Helen, is this your ID card? .
H: Yes, 4. ______is.
A: Here you 5. ______.
H:6. _____
A: What's this 7. ______ English, John?
J: 8. ______ a baseball.
A: Is it yours?
J: 9. ______, it's Tim's.
A: Hi, is this your baseball, Tim?
T: No, it 10. ______ It's my brother's. His name is Tom.
A: Let's go and ask him.
患者,女,31岁,受凉后发热咳嗽、咳痰一周气促3天,意识模糊1小时,查体:T39.5℃,血压70/50mmHg,口唇发绀,双肺可闻及较多湿啰音,心率115/分,未闻及杂音,四肢冷,血常规WBC21×10/L,N0.90。
该患者最可能诊断是()
A.中枢神经系统感染
B.急性左心衰
C.重症肺炎
D.干酪性肺炎
E.肺栓塞