“WTO”代表的是什么世界性组织（）
A．世界卫生组织
B．世界环境组织
C．世界贸易组织
D．世界和平组织
参考答案：C
职业肿瘤多见于（）
A.皮肤和肝脏
B.肝和肺组织
C.肝和膀胱
D.皮肤和肺
E.胃和膀胱
Health is very important to us. We should eat more vegetables and fruit instead of _____ rich food. [ ]
A. too much
B. much too
C. very much
D. too many
