定语从句that与which的用法：
1、只用which,不用that的情况，which可用在非限制性定语从句中，which可用前置介词宾语。
2、只用that，不用which的情况，that相当于关系副词when,where,why,in the way＝in which。
3、that既可指物，也可指人，当主句以here,there开头时，常用that，当先行词是序数词、形容词最高级或先行词被序数词或形容词最高级修饰时，常用that。
4、当先行词是all,anything,nothing(something除外),none,little,much时，常用that。
5、当先行词被no,little,only,very,the last等修饰时，常用that。例如：
6、当先行词是两个或两个以上的词分别表示人和物时用that。
7、在以which，who开头的句子中常用that。
8、time是先行词时，前面如有序数词或last修饰时，定语从句只能用that引导或省略。
拓展资料
that
1. A miracle is something that seems impossible but happens anyway.
奇迹就是看似不可能，却发生了。
2. If you wait, all that happens is that you get older.
如果你等待，发生的只有变老。
3. When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.
当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。
4. Eventually, you'll learn to cry that on the inside.
终有一天，你会学会让泪往心里流。
5. Success is not final, failure is not fatal: it is the courage to continue that counts.--Winston Churchill
成功不是终点，失败也并非末日，最重要的是继续前进的勇气。
6. It's not about making the amazing saves. It's the little things and small things that made great gatekeepers great.
伟大的门将不是靠神奇的扑救成就，而是靠注重小事和细节成功。（Tim Howard美国国家队门将）
7. The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.
当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。
8. It was just then that I chanced to look round.
就在那时，我恰好环顾了下四周。
9. I don't want any more of that heavy stuff.
我再也不想碰那种麻烦事了。
10. It was the uncommitted that Labour needed to reach.
工党需要拉拢的是未表态者。
11. The vehicle that permitted both communication and acceptability was social revolution.
既能实现交流又能被广为接受的手段就是社会革命。
12. We all know that fats spoil by becoming rancid.
我们都知道油脂变质后会发臭。
13. He admitted that the government was in "a dreadful hole".
他承认政府目前“处境极为尴尬”。
14. She probably sensed that I wasn'ttelling her the whole story.
她可能意识到了我并没有对她全盘托出。
15. He plays some passages so slowly that they become lugubrious.
有些段落他演奏得异常徐缓，听上去有些忧伤。
which
1. He lived on an invalidity pension which came as a weekly giro.
他靠每周领取的作为病残养老金的直接转账救济支票过日子。
2. Politicians want a lap-dog press which will uncritically report their propaganda.
政客们想要的是不问是非、甘为他们搞宣传的哈巴狗一样的新闻媒体。
3. We were in the same college, which was male-only at that time.
我们那时在同一所学院，当时只招男生。
4. We gained a rich supply of data which would normally be inaccessible.
我们得到了通常难以获取的大量数据。
5. "Which one of these do you want?" — "I don't mind."
“你想要这里面的哪一个？”——“都可以。”
6. A formal contract is signed which is renewable annually.
正式签订了每年可续签的合同。
7. He was already asleep in the bed, which smelled faintly of mildew.
他已经在略带霉味的床上睡着了。
8. Show me which one you like and I'll buy it for you.
指给我看你喜欢哪个，我给你买。
9. Why not retrain for a job which will make you happier?
为什么不接受新的培训，找一份让你更快乐的工作？
10. Any property which does not sell within six weeks is overpriced.
任何房产如果6周内还卖不出去就说明定价过高。
11. We can now talk openly about AIDS which we couldn't before.
现在我们能公开谈论以前讳言不提的艾滋病问题。
12. Eczema is a common skin complaint which often runs in families.
湿疹是一种常见的皮肤病，通常具遗传性。
13. He was wearing shorts which showed his long, muscular, hairy legs.
他穿着短裤，露出自己强壮多毛的长腿。
14. Children should have glasses which filter out UV rays.
儿童应该戴上滤除紫外线的眼镜。
15. This, after all, is a company which is awash with cash.
这毕竟是一家现金充裕的公司。