鼻饲插胃管的深度为(成人)_________cm,相当于患者_______至________的长度。
参考答案:45~55;鼻尖经耳垂;剑突
— Is that a new car?
— No, I _____ it two years ago. [ ]
A. have
B. buy
C. have had
D. bought
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