大学英语精读第三册课后练习答案(Key to Exercises Unit 6)

Unit 6

Study & Practice

I. Comprehension of the Text

1. 1) b 2) c 3) d 4) c 5) b 6) a 7) b 8) c II. V ocabulary Activities

1.

1) prescribcd

2) shiver

3) scattered

4) acid

5) slid

6) slipped

7) flushed

8) poised

9) take it easy

10) varnishing

11) slack

12) epidemic

2.

1) flushed

2) keep from

3) gaze

4) icy

5) commenced

6) shiver

7) hold tight onto themselves

8) scattered

9) out of sight

10) overcome

3.

1) brought down

2) wrote down

3) is going on

4) hold onto

5) look up

6) woke up

7) keep from

8) worry about

4.

1) The story of his adventures makes good reading.

2) We've made 80 miles since noon.

3) George makes $250 a week.

4) I make the distance 12 miles.

5) If you work hard you'll make a good engineer.

6) Twelve inches make one foot.

7) One swallow does not make a summer.

8) That event made the headlines in all the big newspapers.

5.

three tenths

two thirds

a/one quarter

three quarters

four ninths

four fifths

IV. Enriching Your Word Power

1.

tbermochemistry: the branch of chemistry dealing with the relations between chemical action and heat

thermodynamics: the branch of physics that deals with the relations between heat and other forms of energy or work, and the conversion of one into the other thermoelectron: a negatively charged particle given off by a heated body

thermology: the science of heat

thermomagnetic: of or having to do with the effect of heat as modifying the magnetic properties of bodies

thermomotor: an engine driven by the expansive power of heated air or other gas thermonuclear: of or having to do with the fusion of atoms through very high temperature thermotherapy: therapy in which heat is used

V. Usage

1. I'd rather not talk about it

2. I'd rather you didn't

3. I'd rather you went back there now

4. 'd rather have a quiet night in front of the TV

5. I'd rather go early

6. I'd rather you didn't smoke in our office

VI. Structure

1.

1) I knocked several times before an elderly lady answered the door.

2) Marcus practised three long years before he made the school boxing team.

3) We waited five hours before the runway was cleared of heavy snow and made ready for takeoff.

4) It will be five years before we meet again.

5) He sent in throe applications before he obtained permission to set up an experimental

workshop.

6) It will be months before he is fit for work.

2.

1) The point under discussion is of vital importance.

2) I wish I could be of help.

3) This discovery would be of great significance to the study of the subject.

4) I think her advice is of no value to us.

5) This dictionary is of little use to beginners of English.

VII. Cloze

1.

(1) prescribed

(2) bringdown

(3) overcome

(4) gazed

(5) miserable

(6) shiver

(7) flush

18) detached from

(9) keep from

(10) slid

(11) take it easy

2.