长期TPN时，可能出现缺乏下列物质()
A.葡萄糖
B.氨基酸
C.脂肪
D.微量元素
参考答案：D
直线xcosα+ysinα﹣sinα﹣3=0与x2+（y﹣1）2=9的位置关系是_________（填“相交”“相切“相离”）．相切“相离”）．
Had I got to the airport earlier, I _______ you.
A．might not miss to see
B．would not have missed seeing
C．should not miss seeing
D．would not have missed to see
