Superior vena cava Doppler can distinguish chronic obstructive lung disease from constrictive pericarditis despite similar respiratory variation in mitral flow velocity: Smonporn Boonyaratevej MD, Jae K. Oh MD, Christopher P. Appleton MD, James B. Seward M ...
【题目】补全单词。 1.spr ng 春天 2.p ck 摘 3.aut mn 秋天 4.M y 五月 5.J ly 七月 6.cl ss 课 7.seas n季节 8.w nter冬天 9.F bruary二月 10.wh 为什么试题答案 【答案】1.spring 2.pick 3.autumn 4.May 5.July 6.class 7.season 8.winter 9.February 10.why 【解析】 ...