与胃癌有关的不良生活习惯是（）。
A.硝酸盐
B.食用黄曲霉素污染食物
C.吸烟
D.饮酒及食用发酵霉变食物
E.不洁饮食
参考答案：A
Go to the playground, play football.[ ]
A. the
B. ／
C. a
Hurry up. I_____ for Korea to visit my uncle; The plane_____ at 10:00.
A．am leaving; will leave
B．leaves; is leaving
C．am leaving; leaves
D．will leave; is leaving
