I think history _______ boring . [ ]
A. is real
B. is really
C. real is
D. really is
答案:B
下列哪项不是引起抽搐的脑部疾病
A.脑炎
B.颅脑外伤
C.蛛网膜下腔出血
D.低血钙
E.脑肿瘤
SZ-1-TM型缓冲器与ST缓冲器的配件不得互换。