临床表现为慢性、反复发作性头痛的是（）
A.良性颅内压增高
B.颅内肿瘤
C.屈光不正
D.化脓性脑膜炎
E.偏头痛
参考答案：E
______ you do the experiment carefully, you would make discoveries others wouldn’t make.
A．Should
B．Would
C．Could
D．Might
下列哪一项不属于J2ME体系结构 ( )
A．Profile
B．Optional Packages
C．Configuration
D．Integration
