当代大学英语Unit2教案

当代大学英语Unit2教案
Unit 2 Learning with technology
I. Objectives
1.Skills:
1)reading: reading for gist and detail; making notes; discussion
2)writing: writing expository paragraphs
3)learning: how to survey a book; contents page; index
2.V ocabulary development—word power:
1)Learning words and expressions that appear in the text:
A.receptive words: diary, screen, print, inspector, slot, punch code, mechanical, average,
overall, disappointed, altogether, superior, loftily, regular, smart, dispute, tuck, insert
B.productive words and phrases: dictate, instead of, be through with, be good for, send for,
take sth apart, put sth together, all right, calculate, in no time, gear, slow up, blank out, be adjusted, just the same, switch on
2)Word inference: learning to infer the meaning of new words and expressions
3)Multi-word verbs and phrasal verbs: takes to pieces, put it together, put back, put on
3.Grammar:
The use of verb tenses: the Simple Past tense; the Past Perfect and the Past Perfect Progressive tenses
II. Teaching arrangement
1. Total class time for this unit: 3-4 hours
2. Suggested arrangement:
1) Revision: 5 minutes
2) Warm-up activities: 10 minutes
3) Understanding the text: 35 minutes
4) Detailed study of the language : 40-50 minutes
5) Grammar: 20-30 minutes
6) Exercises: 50- 70 minutes
III. Review
Have the class reviw the major points covered in Unit 1, including:
/doc/971064923.html,mon study problems and possible solutions
B.Words and expressions to be reviewed: copy, single, ignore, burden, refresh, efficiently,
prepare for, relevant to, focus on, afterwards, cover, infer, carry on, on your own, read through, from time to time, pay, complain about, for now
IV. Warm-up activities
1. About the author
Isaac Asimov (1920 –1992) : US biochemist and author, a highly successful and prolific writer of science fiction and of science books for laymen. He published more than 200 volumes.
Born in the U.S.S.R., he was brought to the United States at the age of three. He grew up in Brooklin, N.Y., graduating form Columbia University in 1939 and taking a Ph.D in biochemistry there in 1947. He then joined the faculty of Boston University with which he remained associated thereafter.
He began contributing stories to science fiction magazines in 1937 and in 1950 published his first book. His most important scientific writing was in the field of robotics that formulated the fundation of the general laws of robotics.
2. Suggested introductory steps:
Write the three key words: school, book, and teacher on the black-board; get the class to define them and then imagine what each of them might refer to in the 22nd century. The following is for reference:
Book in the 20th century – a set of printed pages that are fastened together between covers Teacher in the 20th century—a person who teaches
School in the 20th century—a building or a group of buildings where children go for learning
V. Language points
1. Margie dictated it that night to her telescreen diary: That night Margie spoke to her telescreen and had it write down an entry in her diary.
Dictate : to speak or read (sth) aloud for someone else to write down
Eg: (1) Our teacher dictated a story to us.
(2) He is dictating a letter to the typist.
2) On the screen headed 17 May 2155: On the screen with the words 17May 2155 on top Head: to be at the top or beginning of a list or group of things or people, or on the top of
a page. Eg: (1) The first page was headed ―Expenses‖
(2) Lack of funds heads their list of problems.
4)there was a time when….: there was a period of time in history when…
eg.(1) There was a time in China when many people died of starvation.
(2) There was a time when she was very pretty.
5)words that stood still instead of moving:
stand still: to not move; to not change or progress at all although time has passed.
Eg (1) Don't just stand still – give me a hand!
(2) Nothing stands still in the computer industry.
6)the way they wer supposed to—on a screen, you know: Margie supposed that words were
always moving, which was the usual way when they appeared on the screen.
Y ou know: used as parenthesis to add force to a statement, to keep someone’s attention , or to give more information while explaining or describing sth.
Eg (1) It’ll be very dangerous, you know.
(2) I was about to, you know, go to the bank when you came in.
(3) The low gear needs to be fixed; you know, the gear used for driving slowly.
7) Gee: used to show surprise or annoyance
8)When you’re through with t he book: When you finish reading the book
Be though: to have finished doing sth
Eg (1) He’s not not half way through yet.
(2) Are you through with the letters?
(3) I’m through with the newspaper.
9)it’s good for plenty more: it can still have a lot more bo oks on it
good for: suitable for; able to be used for
eg (1) This medicine is good for a cold.
(2) My bike is good for another three years.
Plenty more : many more; a lot more
Eg (1) take as much as you like—I have plenty more.
(2) There’re plenty more boo ks on the subject in the National Library than in our
university library.
10)now she hated it even more than ever: now she hated it still more than ever before
even adv.: used before a comparative for emphasizing the comparison, meaning ―still‖, or‖yet‖
eg (1) Y ou can understand it even better if you read it again.
(2) It seems you know even less about it than I do.
11)giving her test after test : giving her one test after another continuously
after: following continuously
eg: (1) He sent her letter after letter to say sorry for what he had done.
(2) I’ve told you time after time not to be late for school.
(3) Y ear after year went by without hearing of him.
12)took the teacher apart: took the computer to pieces
take sth apart: to separate sth into pieces
eg (1) My sister took my recorder apart but failed to put it together again.
(2) Let’s take the machine apart to see what’s wrong.
13)but he knew how all right : but he knew how to put the machine together pretty well
all right: (informal, often used adverbially) satisfactorily; in a successful or acceptable manner;
without problems
eg (1) Did you get your term paper finished all right?
(2) The machine seemed to be working all right.
(3) I received your letter all right.
14)after an hour or so: after about an hour
or so: more or less; about the number, amount, etc
eg. (1) It’ll take an hour or so for the police to get there.
(2) There were twenty or so people at the meeting.
(3) Can you lend me ten dollars or so?
15)the mechanical teacher calculated the mark in no time: the mechanical teacher worked out the
mark very quickly
in no time (at all) : very quickly or soom, esp in a way that is surprising
eg: (1) I’ll be ready in no time at all.
(2) He fixed the washer in less than no time.
(3) I’m sure you could learn to use the computer in no time.
16)I’ve slowed it up to an average ten-year level: I’ve slowed it down to the average level of a
ten-year child
Slow up: to slow (down); to make slower
Eg (1) I had to slow up my car when it began to rain.
(2) Business slows up at this time of year.
17)the history sector had blanked out completely: there was only a blank for the history sector
blank out : to become a complete blank; to cover sth so that it cannot be seen; to completely forget sth
blank out: to become a complete blank; to cover sth so that it cannot be seen; to cover sth so that it cannot be; to completely forget sth
eg (1) His name was blanked out
(2) My mind suddenly blanked out completely.
(3) I cant blank out what he said from my mind.
18)With superior eyes: with eyes showing that he was a lot wiser than her
Superior: showing a feeling of being better than others; high or higher in order, status, rank, etc; greater in quality or value
than
Eg (1) Why does he always have a superior attitude? I feel like spitting at him.
(2) His father is my superior officer.
V. Exercises.。