根据下列人物归类标准,选出正确的一项是
①阎立本②吴道子③赵孟頫[ ]
A .①②
B .①③
C .②③
D .①②③
答案:A
影响正常人舒张压的主要因素是
A.心输出量B.小动脉口径C.大动脉弹性D.血液粘滞性E.血流速度
Earth Day is a celebration of life and our planet. It is a reminder that we need to ______ the world we live
in and that we should learn to respect life and nature. [ ]
A. care about
B. think over
C. take possession of
D. refer to