请教大家有关介词to在句子当中的用法,有例句.

一：表示相对,针对
be strange (common,new,familiar,peculiar,distinct,sensitive,immune,vulnerable,indispensable) to
Air is indispensable to life.
Aircrafts are vulnerable to interference caused by radiation.
This injection will make you immune to infection.
二：表示对比,比较
1：以-ior结尾的形容词,后接介词to表示比较,如：superior ,inferior,prior,senior,junior
The quarrel happened prior to my arrival.
2:一些本身就含有比较或比拟意思的形容词,如equal,similar,equivalent,analogous
A is similar to B in many ways.
3：表示一些先后顺序的形容词,如：second,subsequent,next,preliminary,preparatory
Subsequent to the war,they returned to their hometown.
4:to也偶尔出现在个别动词之后,与动词形成固定词组,表示比较,如:prefer to,compare to,in contrast to
compare to sth.表示比喻或比拟,而compare with sth.表示比较,如:
World is usually compared to a stage
Compared with his past,he has changed a lot.
Prefer的正确句型是:prefer A to B或prefer doing A to doing B,但当prefer后接动词不定式时,表示比较的介
词to就要改成rather than ,如:
The undaunted soldier preferred death to surrender.
Many people prefer spending money to earning money.
They prefer to pursue careers rather than remain home as house wives.
5:to与及个别的名词构成比较之意,如:alternative
Going to an under water concert is a great alternative to going to dinner.
三:表示修饰关系
1:表示回复,反应意思的词,如:answer to question,
solution to problem,response to inquiry,reaction to proposal,reply to letter
2:表示建筑构件的词汇,如:entry,entrance,approach,access,passage,exit,vent,path
the approach to a bridge引桥
the approach to science
Half of the population was estimated to have no access to the health service.
The access to education 接受教育的机会
The access to medical care 享受公费医疗的权利
3:表示人物职位和官衔的词,如:assistant to manager,ambassador to Spain,successor to tradition,heir to
throne,deputy to the National People’s Congress
advisor to the Prime Minister
4:表示权利和许可的词汇,如:right,admission
The employee finally got the admission to the boardroom.
Everyone has an equal right to ……..
5:表示栅栏或障碍的词汇,如:bars to development,the barrier to progress
6:表示与书籍,文本相关的词,如:introduction to passage.
7:表示恭喜或是祝贺,如:
The director proposed a toast to the health of the guests.
Let’s drink to Dick’s success in business
8:另外还有一些名词符合这种用法,有的具有两者息息相关,缺一不可的含义.如:key to door,invitation to
party,
guide to action,limitation to life,accessory to school

说实话，本人也十分不能理解这里的think为什么不用原形…这个to明显的不是介词啊！？还有前面的第一句话，spend和thinking用and连接？？楼主你有没有想过，这句话原本就是错的呢？这句话不大可能是错的，这是澳洲一个最大的保险公司宣传册子上面介绍里的第一句话。...

be back to 是“回到......”的意思，如果用不定式to think 则是“回来做......"的意思。两者意思大不一样。