Unit 20 New Frontiers 学案（北师大版选修7）
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| 名称 | Unit 20 New Frontiers 学案（北师大版选修7） |  | |
| 格式 | rar | ||
| 文件大小 | 13.6KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 北师大版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2009-07-08 13:04:00 | ||
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Lesson 2 Atificial Intelligence
学案
1. 知识点精讲
（1） 生词
1. category 类别，种类，范畴
fall into a category 属于某类
Helen groups all people into two categories: those she likes and those she dislikes.
海伦把人分为两类：她喜欢的和她不喜欢的。
Voters fall into three main categories.
选民可分为三大类。
2. exit
(1). a door or space through which you can leave a place, especially a room in a big building.出口
eg: We made for the nearest exit.
我们走向最近的路口。
（2）. n. departure of an actor from the stage 演员退场
The actor made a graceful exist.
该演员退场动作十分优美。
(3). a special door used only when there is a fire, ect. 太平门，紧急出口，失火通道出口
The theatre has six exits.
这家剧院有六个太平门。
(4). make an exit= go out 离开，出去
They made a swift exit when they saw the police approaching.
看见警察来了，他们便迅速离去。
(5). n. a place on a motorway or freeway where vehicles can leave it 高速公路出口
Take exit 3 into Beijing.
从三号入口进入北京。
(6). v. to leave a place 离去，离开+ from/through
Please exit through the rear door.
请从后门退出
（1） 短语
1. in advance 预先，提前
eg: I should warn you in advance, we may be delayed.
我得预先提醒你，我们也许会被耽搁。
in advance of 在…之前
Could you distribute copies will in advance of the meeting
你能否在课前分发好材料？
1. in a …voice 以…的声音
in a low/loud voice 低声地/大声地
in a deep/ angry voice 声音低沉地/愤怒地
拓展：
raise one’s voice 提高嗓门
eg: I know what you are saying ----there is no need to raise your voice.
我明白你要说什么----你没有必要提高嗓门。
1. walk out
(1). 由于反对，不同意或愤怒而突然离开，退出
eg: Mike walked out after a row with one of his colleagues.
麦克和一同事大吵后退席了
(2). 工人突然罢工
eg: The bus drilovers walk out, and they will stay out until their demands are met.
巴士司机们举行罢工，他们将一直坚持到他们的要求得到满意为止。
1. be set in/on 小说，电影，戏剧等设定发生的时间，地点，设置，多用被动式
eg: The novel is set in France in the early 19th century.
这部小说以19世纪的法国为背景。
The film is set in pre-war London.
这部电影以战前的伦敦为背景。
二 练习
（一）单项选择
1．---- How are you managing to do your work without an assistant
----- well, I __________ somehow.
A. get along B. come on C. watch out D. set off
2. nobody believed his reason for being absent from the class _____________- he had to meet his uncle at the airport.
A. why B. that C. where D. because
3. my cousin came to see me from the country, ____________ me a full basket of fresh fruits.
A. brought B. bringing C. to bring D. had brought
4. police are now searching for a woman who is reported to ____________ since the flood hit the area last Friday.
A. have been missing B. have got lost
C. be missing D. get lost
5. AIDS is said _____________ the biggest health challenge to both men and women in that area over the past few years.
A. that it is B. to be C. that it has been D. to have been
6. She tried hard to keep calm in face of the students, but the sweat on her forehead ____________ her ____________.
A. gave, away B. turned, down C. showed, out D, shut off
7. ---- Why did you go back to the shop
---- I left my friend_______ there.
A. waiting B.to wait C. wait D. waits
8. The bank is reported in the local newspaper __________ in broad daylight yesterday.
A. being robbed B. having been robbed C. have been robbed D. robbed
9. There was never any time for Kate to feel lonely ____________ she was an only child.
A. ever since B. now that
C. even though D. even as
10. I’ m over eighteen. _____________ I am an adult now.
A. what’s more B. in other words
C. otherwise D. besides
Keys:
1—5 A B B A D 6—10 A A C C B
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Lesson 2 Atificial Intelligence
学案
1. 知识点精讲
（1） 生词
1. category 类别，种类，范畴
fall into a category 属于某类
Helen groups all people into two categories: those she likes and those she dislikes.
海伦把人分为两类：她喜欢的和她不喜欢的。
Voters fall into three main categories.
选民可分为三大类。
2. exit
(1). a door or space through which you can leave a place, especially a room in a big building.出口
eg: We made for the nearest exit.
我们走向最近的路口。
（2）. n. departure of an actor from the stage 演员退场
The actor made a graceful exist.
该演员退场动作十分优美。
(3). a special door used only when there is a fire, ect. 太平门，紧急出口，失火通道出口
The theatre has six exits.
这家剧院有六个太平门。
(4). make an exit= go out 离开，出去
They made a swift exit when they saw the police approaching.
看见警察来了，他们便迅速离去。
(5). n. a place on a motorway or freeway where vehicles can leave it 高速公路出口
Take exit 3 into Beijing.
从三号入口进入北京。
(6). v. to leave a place 离去，离开+ from/through
Please exit through the rear door.
请从后门退出
（1） 短语
1. in advance 预先，提前
eg: I should warn you in advance, we may be delayed.
我得预先提醒你，我们也许会被耽搁。
in advance of 在…之前
Could you distribute copies will in advance of the meeting
你能否在课前分发好材料？
1. in a …voice 以…的声音
in a low/loud voice 低声地/大声地
in a deep/ angry voice 声音低沉地/愤怒地
拓展：
raise one’s voice 提高嗓门
eg: I know what you are saying ----there is no need to raise your voice.
我明白你要说什么----你没有必要提高嗓门。
1. walk out
(1). 由于反对，不同意或愤怒而突然离开，退出
eg: Mike walked out after a row with one of his colleagues.
麦克和一同事大吵后退席了
(2). 工人突然罢工
eg: The bus drilovers walk out, and they will stay out until their demands are met.
巴士司机们举行罢工，他们将一直坚持到他们的要求得到满意为止。
1. be set in/on 小说，电影，戏剧等设定发生的时间，地点，设置，多用被动式
eg: The novel is set in France in the early 19th century.
这部小说以19世纪的法国为背景。
The film is set in pre-war London.
这部电影以战前的伦敦为背景。
二 练习
（一）单项选择
1．---- How are you managing to do your work without an assistant
----- well, I __________ somehow.
A. get along B. come on C. watch out D. set off
2. nobody believed his reason for being absent from the class _____________- he had to meet his uncle at the airport.
A. why B. that C. where D. because
3. my cousin came to see me from the country, ____________ me a full basket of fresh fruits.
A. brought B. bringing C. to bring D. had brought
4. police are now searching for a woman who is reported to ____________ since the flood hit the area last Friday.
A. have been missing B. have got lost
C. be missing D. get lost
5. AIDS is said _____________ the biggest health challenge to both men and women in that area over the past few years.
A. that it is B. to be C. that it has been D. to have been
6. She tried hard to keep calm in face of the students, but the sweat on her forehead ____________ her ____________.
A. gave, away B. turned, down C. showed, out D, shut off
7. ---- Why did you go back to the shop
---- I left my friend_______ there.
A. waiting B.to wait C. wait D. waits
8. The bank is reported in the local newspaper __________ in broad daylight yesterday.
A. being robbed B. having been robbed C. have been robbed D. robbed
9. There was never any time for Kate to feel lonely ____________ she was an only child.
A. ever since B. now that
C. even though D. even as
10. I’ m over eighteen. _____________ I am an adult now.
A. what’s more B. in other words
C. otherwise D. besides
Keys:
1—5 A B B A D 6—10 A A C C B
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