溃疡型肠结核的临床表现是（）
A.多有结核毒血症
B.常有腹泻，多为脓血便
C.易并发急性肠穿孔
D.常引起大量肠出血
E.多不伴有肠外结核
参考答案：A
She worries __________,so she often feels much___________.
A． much too, stressed
B． too much, more stressed
C． too many , less stressed
D． a lot, less stressed
润滑剂分为哪几类？
