大学英语(3)unit4 texta.ppt

中国农业大学人文与发展学院外语系教案
课程名称：大学英语三级
教 材：《（全新版）大学英语》（第 3 册）
单元主题：Unit 4 Extraterrestrials
任课教师：
授课班级：
Extraterrestrials
Book 3 Unit 4
Objectives
Talk about extraterrestrials and outer space
Words in association
Language points and grammatical structures
Write narrative stories
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Language Points
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pessimist ()
a person who always expects bad things to happen
Don’t be such a pessimist!
You don’t have to be a pessimist to realize that we’re in trouble.
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词的拓展：
pessimist-optimist
pessimism-optimism
pessimistic-optimistic
pessimistically-optimistically
There is now a mood of deepening pessimism about/over the economy.
The doctors are pessimistic about his chances of recovery.
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on account of (L. 6)
(fml ) because of; as a result of; due to; owing to; thanks to
The house isn’t really suitable for an old person on account of all those stairs.
The president declined to deliver the speech himself on account of a sore throat.
account for: explain the cause of ，说明
His illness accounts for his absence.
take sth. into account: consider sth.
When judging his performance, don’t take his age into account.
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foolish or unreasonable and deserving to be laughed at
Don’t be ridiculous! You can’t pay 500 Yuan for a T-shirt!
They ate and drank a ridiculous amount.
近义词：
absurd
ridiculous ()
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deputy (L. 10)
n. the second most important person in a particular organization 副职， 副手， 代表， 代理人
When the headmaster was away, the deputy head did his job.
当校长不在时，代校长代理他的工作。
A deputy was appointed in case the manager became ill.
副手是经理有病的时候被指定的代理人。
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to develop or produce gradually by mental or physical effort; to bring sth. into existence, esp. gradually or in stages; spend time and effort preparing;
She went for a long walk to work up an appetite. (= to make oneself hungry)
I can’t work up any enthusiasm for his idea.
to increase one’s skill, responsibility, efficiency, or status thr