重点讲解:
1. be linked to 联系;关系;关联;
All of these industries have at one time or another been linked to cancer.
所有这些产业都曾在不同时期与癌症有过联系 。
2. result from 由…产生;由…引起;
Many hair problems re sult from what you eat.
很多头发问题都是由饮食引起的 。
3. take part in 参加;参与;
You can take part in multiplayer games either on a LAN network or via the internet.
可以通过局域网或因特网参加多人游戏 。
4. out of (表示比例)每…中;
Two out of three people think the President should resign.
有三分之二的人认为总统应当辞职 。