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 | 13.0KB | ||
| 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 13:03:00 | ||
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Lesson 1 Futurology
学案
1. 知识点精讲
（一）.生词
1. latter
(1). adj. : near to the end of a period
eg: She spent the latter part of her life alone.
他孤独地度过了她的后半生。
(2). The latter
pron. : the second of two things or people already mentioned 已提及的两者中的后者
eg: Many support the former alternative, but personally I favour the latter.
很多人赞成前一种方法，但我个人喜欢后一种
Latter 和later很容易混淆。later 可以作形容词用，意思是“以后的，较晚的时候”或“更新的”
eg: The launch was postponed to a later date.
发射延迟了。
In his later years of life, he devoted himself to the career of charitiy.
晚年，他投身于慈善事业。
later 还可以作副词，意思是“以后，后来”
eg： Two years later he became a soldier.
两年后他当兵了
Later, his theory proved to be right.
后来，结果证明他的理论是正确的。
2. assess
(1). V. make a judgment about a person or situation after thinking about it carefully 评价，评定
It is difficult to assess the affects of the new measure.
现在很难评价新举措的效果
(2). V. decide or fix the value of sth. 估价，估计
They assessed the value of the house at over $ 250,000.
他们估计这座房子的价值超过25万美元
3. dawn
(1). n. time of day when light first appears 黎明，破晓
We talked almost until dawn.
(2). n. (fig. 比喻)beginning ,first signs of sth.
People have been falling in love signs of sth.
自先民伊始，人们就一直坠入爱河。
(3). v. begin to grow light 破晓
eg: It was dawning as we left
我们离开时天就亮了。
（二）.短语
1．base…on…（被动be based …on…）以。。。为基础，基于。。。，以。。。为根据
eg: The film is based on a novel written by Lu Xun.
I base my hope on the good news we had yesterday.
我把希望寄托在我们昨天得到的好消息上.
拓展：
base sb. in/at 把某人安置在（某地进行工作和活动）
eg: Most of our staff are based in Cairo.
2. get into
(1). 撞到某物上
eg: The car skidded and went into a tree.
汽车打滑，撞到了树上。
(2). 参加（一组织）
eg: Sophie wants to go into the Army.
索菲想从军
(3). 仔细检查或调查某事物
eg: We need to go into the question of costs.
我们需要进一步研究费用问题。
(4). （指时间，资源）等消耗或用以下做某事
eg: Years of work have gone into the preparation of this dictionary.
这部字典的筹备工作已进行了多年。
三，练习
（1） 单项填空
1. He didn’t make _____________ clear when and where the meeting would be held.
A. this B. that C. it D. these
2. As the busiest woman in Norton, she made ____________ her duty to look after all the other people’s affairs in that town.
A. this B. that C. one D. it
3. I won’t tell the student the answer to the math problem until he ________________ on it for more than an hour.
A. has been working B. will have worked
C. will have been working D. had worked
4. Americas eat ________________ vegetables per person today as they did in 1910.
A. more than twice B. as twice as many
C. twice as many as D. more than twice as many
5. _______________ by a greater demand for vegetables, farmers have built more green house.
A. Driven B. Being driven C. To drive D. Having driven
6. Prices of daily goods _____________ through a computer can be lower than store prices.
A. are bought B. bought C. been bought D. buying
7. By the time Jane gets home, her aunt _______________ for London to attend a meeting.
A. will leave B. leaves C. will have left D. left
8. He tried his best to solve the problem, ______________ difficult it was.
A. however B. no matter C. whatever D. although
Keys:
C D A D A B C A
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Lesson 1 Futurology
学案
1. 知识点精讲
（一）.生词
1. latter
(1). adj. : near to the end of a period
eg: She spent the latter part of her life alone.
他孤独地度过了她的后半生。
(2). The latter
pron. : the second of two things or people already mentioned 已提及的两者中的后者
eg: Many support the former alternative, but personally I favour the latter.
很多人赞成前一种方法，但我个人喜欢后一种
Latter 和later很容易混淆。later 可以作形容词用，意思是“以后的，较晚的时候”或“更新的”
eg: The launch was postponed to a later date.
发射延迟了。
In his later years of life, he devoted himself to the career of charitiy.
晚年，他投身于慈善事业。
later 还可以作副词，意思是“以后，后来”
eg： Two years later he became a soldier.
两年后他当兵了
Later, his theory proved to be right.
后来，结果证明他的理论是正确的。
2. assess
(1). V. make a judgment about a person or situation after thinking about it carefully 评价，评定
It is difficult to assess the affects of the new measure.
现在很难评价新举措的效果
(2). V. decide or fix the value of sth. 估价，估计
They assessed the value of the house at over $ 250,000.
他们估计这座房子的价值超过25万美元
3. dawn
(1). n. time of day when light first appears 黎明，破晓
We talked almost until dawn.
(2). n. (fig. 比喻)beginning ,first signs of sth.
People have been falling in love signs of sth.
自先民伊始，人们就一直坠入爱河。
(3). v. begin to grow light 破晓
eg: It was dawning as we left
我们离开时天就亮了。
（二）.短语
1．base…on…（被动be based …on…）以。。。为基础，基于。。。，以。。。为根据
eg: The film is based on a novel written by Lu Xun.
I base my hope on the good news we had yesterday.
我把希望寄托在我们昨天得到的好消息上.
拓展：
base sb. in/at 把某人安置在（某地进行工作和活动）
eg: Most of our staff are based in Cairo.
2. get into
(1). 撞到某物上
eg: The car skidded and went into a tree.
汽车打滑，撞到了树上。
(2). 参加（一组织）
eg: Sophie wants to go into the Army.
索菲想从军
(3). 仔细检查或调查某事物
eg: We need to go into the question of costs.
我们需要进一步研究费用问题。
(4). （指时间，资源）等消耗或用以下做某事
eg: Years of work have gone into the preparation of this dictionary.
这部字典的筹备工作已进行了多年。
三，练习
（1） 单项填空
1. He didn’t make _____________ clear when and where the meeting would be held.
A. this B. that C. it D. these
2. As the busiest woman in Norton, she made ____________ her duty to look after all the other people’s affairs in that town.
A. this B. that C. one D. it
3. I won’t tell the student the answer to the math problem until he ________________ on it for more than an hour.
A. has been working B. will have worked
C. will have been working D. had worked
4. Americas eat ________________ vegetables per person today as they did in 1910.
A. more than twice B. as twice as many
C. twice as many as D. more than twice as many
5. _______________ by a greater demand for vegetables, farmers have built more green house.
A. Driven B. Being driven C. To drive D. Having driven
6. Prices of daily goods _____________ through a computer can be lower than store prices.
A. are bought B. bought C. been bought D. buying
7. By the time Jane gets home, her aunt _______________ for London to attend a meeting.
A. will leave B. leaves C. will have left D. left
8. He tried his best to solve the problem, ______________ difficult it was.
A. however B. no matter C. whatever D. although
Keys:
C D A D A B C A
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