第1题:
第2题:
第3题:
第4题:
第5题:
第6题:
to provide them with a safer environment
to lower their expectations for them
to get them more involved socially
to set a good model for them to follow
第7题:
Specialists are more expensive to hire than generalists.
Formal schooling is less important than job training.
On-the-job training is, in the long run, less costly.
Generalists will outdo specialists in management.
第8题:
第9题:
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第11题:
it will drain the oil reserves in the Alaskan region
it can do little to solve U.S. energy problem
it can cause serious damage to the environment
it will not have much commercial value
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第14题:
Positive.
Indifferent.
Negative.
Cautious.
第15题:
to sell them at a profitable price
how to turn them into useful things
how to reduce their recycling costs
to lower the prices for used materials
第16题:
第17题:
a language should be easy to use and understand
sign language was too artificial to be widely accepted
a language could only exist in the form of speech sounds
sign language was not extensively used even by deaf people
第18题:
第19题:
has become an essential part of people’s life
may well affect the health of the trainees
will attract more people in the days to come
contributes to health improvement as well
第20题:
surprising
confusing
illogical
questionable
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第22题:
第23题:
第24题: