Unit+4+Sharing+单词学案 高中英语人教版(2019)选择性必修第四册

B7U4 Sharing (Words and expressions)
课前预习案和课中探究案
【自主学习一】听录音，跟读单词。

【自主学习二】根据句子语境,理解划线单词的意思，指出其词性，并翻译句子。

1. Experience is what matters ─age is of secondary importance.
Firstly, it's expensive, and secondly, it's too slow.
2. Everything was covered with a thick layer of dust.
She had matted（蓬乱的）hair and torn dusty clothes.
I kicked a dustbin very hard and broke my toe.
3. I'll call in at the chemist's on my way home.
I'm doing physics, biology and chemistry.
Hydrogen combines chemically with oxygen to form water.
Use of these chemicals may present a fire risk.
4. The trees provide shade for the animals in the summer.
We went to find somewhere cool and shady to have a drink.
These people have been living for years under the shadow of fear.
5. Poor housing and unemployment are the main problems.
That country spent a lot of money to house the refugees.
6. The conditions were ripe for social change.
This helps to ripen new growth and makes it flower profusely（大量地）.
7. The burglars gained entry to the building after disabling the alarm.
There is a lack of adequate provision for disabled students.
She is a shining example of what people with disabilities can achieve.
8. Two out of three people think the President should resign.
He was resigned to never seeing his birthplace again.
It is with great regret that I accept your resignation.
9. You shouldn't have done it without consulting me.
The decision was taken after close consultation with local residents.
They hired a firm of consultants to design the new system.
10. Being back with their family should provide emotional stability for the children.
Doctors said his condition was serious but stable.
By means of test, the system can work stably and achieve the desired objectives.
【课堂探究一】词形变化：按要求填相应的单词，并在括号内填写中文意思(仔细研读【自主学习二】句子，掌握和总结规律。

)
1._____________ adj.中学的;次要的→_____________n.秒adj.第二的.adv.其次→_____________ adv. 第二;其次
2._____________ n.沙土; 灰尘→____________ adj. 布满灰尘的→____________ n. 垃圾箱
3._____________ n.化学家; 药剂师; 药房→_____________ n. 化学→_____________ adj. 化学的n. 化学品→_____________ adv.（在）化学（性质）上；用化学方法
4._____________n.阴凉处; 灯罩; 阴影部分vt.给…遮挡(光线); 加灯罩; 把…涂暗→_____________ adj. 阴凉的，背阴的→_____________n. 影子; 阴影
5._____________n.住房; 住宅→_____________v. 安置; 给提供住宅; 收藏n.房子
6._____________ adj.成熟的→_____________v. (使)成熟→_____________ adv. 成熟地
7._____________adj.有残疾的→________ n. 残疾;障碍→_____________v. 使丧失能力
8._____________vi.&vt. 辞职;辞去→_____________adj. 顺从的，逆来顺受的→_____________ n. 辞职
9._____________vt. 值得; 应得; 应受→_____________ adj. 值得的，应得的
10._____________adv. 最近; →_____________adj.迟的→_____________ adj.后者的
11._____________ v. 咨询;请教→_____________ n. 咨询;咨询会→_____________ n. 顾问
12._____________n. 稳定(性); 稳固(性)→_____________adj. 安定的; 平静的; 稳定的; 稳固的→_____________ adv.稳定的；坚固的
【知识补充】(熟读背诵以下句子，早读默写)
写作话题佳句积累
1.最最最最最最最最最最最最最最最最最最最最最最最最最最遥遥遥遥遥最最最最最最最最最最
Lately, all of us have seen Chinese people on TV in far-off places in the world, helping other countries to develop.
2.最最最最最最最最最最最最最最最最最最
I was given the great privilege of becoming a volunteer for UNICEF.
3.最最最最最最最最最最最最最最最最最最最最最最最最最最最
Why help people overseas when China has many areas that are still in need of development? 4.最最最最最最最最最最最最最最最最最最最最最最最最最最最最最最最最
They have opened the eyes of students in underdeveloped regions to the outside world by bringing them new knowledge and thoughts.
5. 我母亲不仅帮助建立了一家心脏病医院，她还环走乡村，提供医疗服务，帮助残疾人，并为当地医生提供咨询和培训。

此外，她的团队为患者提供了一种在中国发明的新型疟疾治疗方法，挽救了许多生命。

Not only does my mother help to build a cardiac hospital, but she does a circuit of the rural villages to provide medical treatment, help those with disabilities, and provide consultation and training for local doctors. In addition, her team has given patients a new malaria treatment invented in China, saving many lives.
6. 既然我已经明白了母亲的工作有多么重要，我决定自己成为一名志愿者，帮助其他国家的人们。

Now that I understand how important my mother’s work is, I’ve decided to become a volunteer myself to help people in other lands.。