3)…feature the space shuttle Challenger blowing up in Jan. 1986—killing all 7 crew.
4)… threatened to keep the pupils in after school they were quieted at once.
5)…are a major barrier to the country’s economic growth because imported oil has absorbed 40% of its
foreign exchange .
4. 1) looked back on; atmosphere; urban life 2) era; hooked up to the; the electronic
3)the suburb; a sophisticated; system; analyze; make errors
P76 age:Double negation
1. Internet is not such an unusual word as it used to be. ….
2. …. Most men do not look unattractive in them. …..
3. Wealthy as she is, she is not unconcerned by her sudden unemployment…..
4. …This claim is not unrealistic in view of a sharp decrease in the city’s violent crimes.
5. …His poor health is not unrelated to hie unhealthy way of life.
P77 Comprehensive Exs。
1. Text-related 1)Statistics 2) rual 3) era 4) stood for 5) on the latch 6) vulnerable 7) barriers
8) electronic 9) reflection 10) civilized
P78-79 Translation
1. Sentence translation
1) larger ones.
3) With regard to’s economic devepment.
’ teaching in high school, I attributed my success to patience, talent, and
the constant pursuit of knowledge.
2. Passage translation
It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols. Common sense tells us that lighting is criminal activities. A light should be fixed in the doorway and switched on at night. Make sure that you don’

