疱疹性口腔炎黏膜损害特点是（）。
A.有白色片状物
B.有灰白色假膜
C.有黄白色小水疱
D.充血红绒状
E.有灰白色乳凝状物
参考答案：C
Of course, all students want to increase their knowledge, but I believe that most students today want that knowledge to be _______ to their future career.
A．relevant
B．opposite
C．abundant
D．elegant
化脓性积液的特点有()
A.溶菌酶含量增高
B.蛋白质增高
C.细胞总数增高
D.属于恶性积液
E.LD降低
