重点讲解：
1. result in 导致；引起；造成；
Excessive dosage of this drug can result in injury to the kidney.
这种药使用过量会损害肾脏。
2. adhere to 遵守，遵循（规定或协议）；
We must adhere to the principle of voluntary participation.
我们必须坚持自愿参加的原则。
3. cut off 中断（供给或通话）；
Our phone's been cut off.
我们的电话被切断了。
4. install sb. as sth. （常以正式仪式）使就职，任命；
Professor Sawyer was formally installed as President last Thursday.
索耶教授上周四被正式任命为校长。

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