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- 2012-4-27
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插入语的写法:A new factory would, to some degree, contaminate the living space of most of our town’s inhabitants.
虚拟语气(后果的描述):If all the endangered animals were protected carefully, there would be no more extinction.
并列结构:Teaching machines are devices that can store instructional information, present displays, receive response from a learner, and act on those responses.
疑问句:If scientists can clone sheep, why can’t they clone people? |
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