下列疾病所致的肺动脉高压中最主要由低氧血症所致的是：
A、肺血栓栓塞C
暂无解析
You__________putyourcomputerinyourbedroom.
I'msorryI'veforgottentopostyourletter.
—Nevermind._____postitmyself.
Thedoctorletthepatients______thesoftmusic,becauseithelpedmakethem_____.
Whenhesawmethen,heaskedmewhat_____.
Theworld’ssmallestbaby,a__________girlweighedjust24gramswhenshewasborn.
