1.5时=( )分
450毫升=( )升
90;0.45
He insisted everyone here _____ teachers' instructions. [ ]
A. had followed
B. followed
C. should followed
D. follow
男性,19岁,2日来出现皮肤紫癜,以下肢为主,两侧对称,颜色鲜红,高出皮肤表面,伴有关节及腹痛。应诊断为()。
A.急性白血病
B.过敏性紫癜
C.血小板减少性紫癜
D.急性关节炎
E.急腹症