题目内容
It is well known that too much ________ to the sun can promote the development of many skin cancers.
A. contact B. disclosure C. exposure D. exhibition
C
解析:
contact意为“接触,联系”;disclosure 意为“揭发,透露”exhibition意为“展览”;exposure意为“暴露,曝光”。根据句意“众所周知,过度的暴晒可能会引发皮肤癌”可知,答案为C。

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近年来,禽流感频发,一些国家在疫区捕杀所有鸟类。对此,你们班开展了主题班会,讨论结果如下:
赞成捕杀者认为 |
反对捕杀者认为 |
你的态度 |
防止病毒扩散,威胁人类健康 |
不杀鸟类,不公平,太残忍 |
|
2.疫区扩大,不易治愈 |
2. 尽快找到疫苗 |
|
参考词汇:禽流感bird flu;家禽poultry;病毒virus;疫苗vaccine词数: 100左右
It is well-known that bird flu has spread through many countries. _________________________