下面分解质因数正确的是（ ）[ ]
A．45=15×3
B．45=5×9
C．45=3×3×5
D．45=1×3×3×5
答案：C
- I put him down for a well - educated man.
- ________?
- I mean that he's a well - educated man.
A．I beg your pardon
B．Speak louder, will you
C．What's that
D．Will you repeat word for word
患者男，38岁，因溃疡行胃次全切除术，术后第二天早晨，体温升高达38.5℃，心动过速至103次/分，伴有轻度呼吸急促，这个病人最可能的诊断是（）
A.伤口感染
B.尿路感染
C.血栓性静脉炎
D.肺不张
E.膈下脓肿
