题型:报关编码 The Harry Potter books are quite popular; they are in great ______ in this city.[ ]A. qualityB. progressC. productionD. demand 查看答案
题型:报关编码 SVR(体循环阻力)=()A.每搏输出量(SV)/左心室舒张末期容积(LEDV)B.60×(MAP-CVP)/COC.每搏输出量(SV)×心率(HR)D.CO/体表面积(BSA.E.60×(PAP-LAP)/CO 查看答案