设A,B,C,D是半径为2的球面上的四点,且满足AB⊥AC,AD⊥AC,AB⊥AD,则S△ABC+S△ABD+S△ACD的最大值是( )。
8
_________ friend of my sister’s will come to see her tomorrow I’m wondering what ________ man he is going to be like
A.A, the
B.A, a
C.The, a
D.The, the
关于糖耐量减低的描述正确的是()
A.餐后2h血糖在7.8~11.1mmol/L之间
B.空腹血糖6.11~7.0mmol/L
C.尿糖阳性
D.OGTT试验血糖峰值可延长至1h后
E.OGTT试验血糖恢复正常的时间延长至2~3h