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选修一Unit 2必记必背
词性变化
1．persuade vt.劝说；说服→persuasive adj.有说服力的→persuasion n．说服
2．distant adj.遥远的；远处的；疏远的；心不在焉的→distance n．距离
3．secure adj.安全的；安心的；可靠的；牢固的 vt.获得；拴牢；保护→security n．安全；保护措施
4．integrate vi.& vt.(使)合并；成为一体→integrated adj.各部分密切协调的；综合的
5．efficient adj.效率高的；有功效的→efficiently adv.有效地→efficiency n．效率；效能
6．preference n．爱好；偏爱→prefer vt.更喜欢；偏好
7．obey vi.& vt.服从；遵守→disobey vt.不服从
8．warning n．警告；警示；先兆→warn vt.警告
9．abnormal adj.不正常的；反常的→normal adj.正常的
10．critical adj.严重的；关键的；批判性的→critic n．评论家→criticize vt.批评；评论→critically adv.批判性地
11．potential adj.可能的；潜在的 n．潜力；可能性→potentially adv.潜在地；可能地
12．electrical adj.电的；用电的→electric adj.电的；电动的；用电的→electricity n．电；电学；电流
13．fantasy n．幻想；想象→fantastic adj.极好的
14．detect vt.发现；查明→detective n．侦探
15．combine vt.& vi.(使)结合；混合→combination n．结合；联合
16．predict vt.预测；预言；预料→prediction n．预测；预言
17．occupation n．职业；占领→occupy vt.占据；占用；使忙碌→occupied adj.被占领的；被占用的；忙于……的
18．oppose vt.反对；抵制；阻挠→opposed adj.反对的→opposite adj.对面的；相反的→opposition n．反对
19．absence n．不存在；缺乏；缺席→absent adj.缺席的；不在的；缺乏的
20．emphasis n．强调；重视；重要性→emphasize vt.强调
21．resist vi.& vt.抵制；反抗；抵挡→resistance n．抵制；反对；抗拒
22. automatic adj.自动的→automatically adv.自动地
23. accurate adj.精确的；准确的→accurately adv.精确地；准确地→accuracy n.精确性
二、词组
Reading and Thinking&Read for Writing
persuade sb. to do sth.说服某人做某事
the instant\moment 一……就
respond to 对……回应 回答
be relevant to 与……有关
switch on\off 打开\关闭
keep in touch with 与…保持联系
be opposed to doing sth.反对做某事
be distant from 离……远
in the distance 在远处
command sb. to do sth.命令某人做某事
have a good command of 对…有很好的掌握
have a preference for 对……有偏爱
warn sb. of\about\against sth. 提醒某人某事
send out warnings 发出警告
keep constant track of 对…持续追踪
detect the disease 发现\查明\侦查出疾病
catch fire 着火
be available online在网上可获得
combine A with B 把A与B相结合
in this sense 从这种意义上来讲
hang out 闲逛
resist doing sth. 忍住 抵制住做某事
be resistant to sth.对…抵制 抵抗
rather than 而不是
place emphasis on 强调…；重视…；
in\during one’s absence 在某人不在的时候
be absent from 缺席……
daily routine日常生活
advocate doing sth. 提倡\主张做某事
electrical appliances 电器
wire…up to 将…连接到…
artificial intelligence (AI)人工智能
a secure income 稳定的收入
a photoelectric sensor光电传感器
integrated sensors
集成传感器（合并 成为一体）
at dawn\dusk 在黎明\在黄昏
the intended audience 预期的观众\读者
in place of 取代
can’t help but do sth.
只能做某事 不得不做某事
can’t help doing sth. 忍不住\情不自禁做某事
can’t help do sth. 不能帮忙做某事
an energy-efficient mode 节能模式
provide sb. with sth. 给某人提供某物
cease doing 停止做
三、课文句式佳句
The best way to predict future is to create it.
预测未来的最佳方案就是创造未来。
I recognized her the instant \the moment\the second \as soon as she came out of the platform.
他一从站台出来，我就认出了她。 (类似用法immediately\instantly\directly+ 时间状语从句）
Nevertheless, It will take some years before most new homes begin to use this new technology.
尽管如此，大多数新住宅开始使用这项新技术还需要几年时间。
Moreover，the Internet has made it possible for friends and family to keep in touch easily even if they are on opposite sides of the world.（make it + adj. + for sb. to do sth: it是形式宾语，真正的宾语是to do sth）
此外，互联网使朋友和家人能够很容易地保持联系，即使他们在世界的两端。
Probably the most well-known are the Amish, a group of Christians living in rural America.
可能最著名的要数阿曼门诺派，这是一群生活在美国农村的基督徒。
It has also made finding opportunities in life much easier，as it allows people to make larger networks of friends through using social media.(as 引导原因状语从句)
它还让人们更容易在生活中寻找机会，因为它允许人们通过使用社交媒体建立更大的朋友网络。
单元话题作文
Nowadays, more and more people are beginning to use Wechat and some have even become addicted to it. However, WeChat has both advantages and disadvantages.
WeChat really shortens the distance between people. No matter where we are, we can easily get in touch with our friends. Besides, we can find friends to whom we can tell our secrets. However, it also has disadvantages. First of all, some information offered on WeChat is false and it may result in people being cheated. What comes next is that some people spend too much time on WeChat, greatly influencing their normal life.
As far as I am concerned, WeChat is convenient but we should make proper use of it.
如今,越来越多的人开始使用微信,有些人甚至对它上瘾了。然而,微信既有优点也有缺点。微信确实缩短了人与人之间的距离。无论我们身在何处,我们都可以轻松地与朋友取得联系。此外,我们可以找到可以告诉我们的秘密的朋友。然而,它也有缺点。首先,微信上提供的一些信息是虚假的,可能导致人们被欺骗。接下来的是,有些人花太多时间在微信上,极大地影响了他们的正常生活。就我而言,微信很方便,但我们应该正确使用它。
话题词汇: Look into the future
Transportation(交通):
solar-powered cars太阳能汽车
flying motorcycles/cars飞行摩托车\汽车
self-driving/ driverless cars无人驾驶汽车
artificial intelligence(AI)人工智能
faster and more comfortable means of transportation更加快捷舒适的交通方式
Health care（医疗）:
telesurgery远程手术
robotic surgery机器人手术
health monitors健康监测器
the Robot Operating System机器人操作系统
Homes（家）:
household robots家用机器人
smart home appliances智能家电
the monitoring system监测系统
smart homes/ toilets智能房屋/马桶
smart clothing/ watches/contact lenses智能服装/手表/隐形眼镜
Positive sides（积极面）:
global city全球城市 (2)advanced technology先进技术
extend peoples lives延长人们的寿命 environment-friendly energy环保能源
bring convenience to life给生活带来便利 make people' s life easier使人们的生活变得更舒适
overcome all sorts of physical disabilities克服各种各样的生理缺陷
the revolution in information technology信息技术的巨变
Negative sides（消极面）:
global warming全球变暖
make people lazy使人们变懒
heavy reliance on machines过度依赖机器

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