东亚国家吸引投资最快的时期是在其经济发展的()。
参考答案:起飞阶段
— I have got a headache.
— No wonder. You ______ in front of that computer too long. [ ]
A. work
B. are working
C. have been working
D. worked
女,32岁,左下腹痛2个月。黄稀便,每日3次,结肠镜示:直肠,乙状结肠糜烂及浅溃疡,大范围充血,水肿。最可能的诊断是()。
A.结肠癌
B.慢性肠炎
C.溃疡性结肠炎
D.克罗恩病
E.肠结核