试题与答案

改性的丙烯腈-丁二烯-苯乙烯共聚

题型:报关编码

题目:

改性的丙烯腈-丁二烯-苯乙烯共聚

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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题型:改错题

短文改错﹙10分﹚

Though great progress have been made in science these years, there are still many people live in poor conditions. They make their lives by collecting or selling used things. Their children cannot go to school because they had not enough money to send their children there. How do you think so many people still suffer from poverty now? The answer lies on the population explosion﹙人口大爆炸﹚. A president of a developing country once said, “It is us who are to blame for the poverty because we used to ‘produce’ child without limit.” Although this few words sound simple enough, they have clear pointed out one of the causes of the population explosion.

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