下列哪一项不是参与机体获得性免疫应答的核心细胞和辅佐细胞（）
A.T淋巴细胞
B.B淋巴细胞
C.巨噬细胞
D.树突状细胞
E.红细胞
参考答案：E
I can’t sleep the night before the examination. So I'm too tired to do [ ]
A. good
B. bad
C. badly
D. well
Is there _________ in today’s newspaper?
A．something important
B．anything important
C．important something
D．important anything
