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Unit 12£¨Ó¢ÓïÒ»£©

Text A

Exercises for the Text

I.
1.b  2.d  3.c  4.d  5.c
II.
1.dispute  2.self-assurance  3.supreme
4.peculiar  5.decade  6.quotation
7.represent  8.discard  9.distant
10.authoritative
III.
1.Someone  2.a few  3.No one
4.few  5.anyone  6.one
7.anything  8.either  9.neither
10.each
IV.
1.A good dictionary should give new uses to old words regularly.
2.The writing and compiling of every entry in dictionary is based on a certain principle.
3.The task of writing a dictionary begins with the reading of vast amounts of literature and making cards.
4.Not all dictionaries have authority.
5.I once got into a dispute with an Englishman over the pronunciation of a word and offered to look it up in the dictionary.
Vocabulary Exercises

I.
1.a.usage  b.use  c.Used  d.use
2.a.authoritative  b.author  c.authority
3.a.edition  b.edit  c.editor
4.a.historical  b.historian  c.history
5.a.state  b.stated  c.statement
II.
1.dispute  2.peculiar  3.reveal
4.illustrates  5.stack  6.statement
7.usages  8.decade  9.literary
10.influence
III.
1.It is widely believed that languages change and develop constantly.
2.She is regarded as the best doctor in the town.
3.The books in the library are arranged according to their authors' names.
4.The children are deeply influenced by their parents.
5.They dispute the authenticity of my conclusion.
6.The child was brought up in a remote willage.
7.When you come across new words,you needn't always look them up in the dictionary.
8.Once you have got into a bad habit,it is difficult for you to get rid of it.
9.To the best of my knowledge,the view that the fish is the best food to the brain is not ridiculous.

Text B

Exercises for the Text

I.
1.F  2.T  3.T  4.F  5.T  6.F  7.T  8.T  9.F   10.T
II.
1.quarters
2.life skill
3.stumbling block
4.title,chapter headings,section titles,headings
5.maps,charts,graphs,pictures
6.ideas,actions,thouthts,feelings
7.content and meaning
8.context clues,the words around it
9.alert
10.comfortable,productive,rewarding
Vocabulary Exercises

I.
1.a  2.c  3.b  4.e  5.d
II.
1.survival  2.Opportunity  3.concentration
4.challenge  5.impression  6.scanned
7.aware of  8.alert to  9.Emphasis
10.keep up with
Grammar Exercises

I.
1.with a prupose ¶¨Óï
2.without your help×´Óï
3.like a man×´Óï
4.in the United States¶¨Óof three types±íÓï
5.in the sales department¶¨Ófor the advertising±íÓï
6.For centuries×´Ófrom being discovered by the people of  Europe¶¨Óï²¹×ãÓby the people of Europe ×´Óof Europe¶¨Óï
7.in better spirits±öÓï²¹×ãÓï
8.in the sky¶¨Ólike a mirror±íÓï
9.to vistors ×´Óï
10.of any use±íÓin random orderÖ÷Óï²¹×ãÓï
11.with a higher profiviency¶¨Óon words ×´Óin meaning ×´Óï
12.In some kinds of work×´Óof speed¶¨Óby the amount of work done and not by the hour×´Óof work done¶¨Óï
13.due to his careless use of the gun±íÓof the gun¶¨Óï
14.as love applesÖ÷Óï²¹×ãÓin loveÖ÷Óï²¹×ãÓï
15.in San Francisco instead of Los Angeles±öÓï²¹×ãÓï
16.for what it can use in building its nest×´Óin building its nest×´Óï
17.from carbon×´Óin all living thingsÖ÷Óï²¹×ãÓï
18.in what ways ×´Óof the plant¶¨Ófrom that of animals×´Óof animals¶¨Óï
19.of telecommunication staellites¶¨Ófor transmitting telephone calls±íÓï
20.In English¶¨Óto every educated person×´Óat home or in the marker place×´Óï
II.
1.of  2.to  3.from
4.from  5.for  6.in
7.with  8.of  9.from
10.with  11.at  12.for
13.in  14.by  15.with
16.By,for  17.with  18.to,at
19.to,at  20.in,from 
III.
1.C  2.B  3.D  4.A  5.A  6.A  7.D  8.A  9.A   10.B

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