最可能的诊断是
A．肺脓肿
B．干酪性肺炎
C．阻塞性肺炎
D．肺炎杆菌肺炎
E．金葡菌肺炎
参考答案：D
把15×15 =225，225-175=50，500÷50 =10合并成综合算式是[ ]
A.500÷15×15 -175 =10
B.500÷（225-175）=10
C.500÷（15×15 -175）=10
D.500÷（15×15） -175=10
When___________help, one often says" Thank you. " or "It's kind of you. " [ ]
A. offering
B. to offer
C. to be offered
D. offered
