演讲者提出的问题，要注意难易度，应该是观众略加思考就可以回答上来的问题，简单地让观众只回答“是”还是“不是”就可以了。 - 查题网

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国家开放大学 / 演讲与口才

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演讲者提出的问题，要注意难易度，应该是观众略加思考就可以回答上来的问题，简单地让观众只回答“是”还是“不是”就可以了。

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阅读理解：阅读下列短文，回答文后问题，选择最佳答案Trees mainly serve man in three important ways: They provide him with wood and other products; they provide him shade; and they help to prevent droughts and floods.Unfortunately, in many parts of the world, man has not realized that the third of these services is the most important．In his eagerness to make money from trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had. And besides, he is usually too careless to plant and look after new trees. So the forests slowly disappear.This does not only mean that man will have fewer trees. The results are even more serious: for where there are trees, their roots break up soil allowing the rain to sink in and also bind(固定) the soil, thus preventing it from being washed away easily；but where there are no trees, the rain falls on hard ground and flows away, causing floods and carrying away the rich top-soil. When the top-soil is gone, nothing remains but worthless desert.Two thousand years ago，a rich and powerful country cut down its trees to build warships, with which to gain itself an empire．It set up the empire, but, without its trees, its soil became poor and grew weak. When the empire fell to pieces, the home country found itself faced by floods and starvation(饥荒)．1. According to the passage, which is the most important service of trees to man? A、 A. They help him make money. B、 B. They give him cool. C、 C. They give him wood and other things. D、 D. They help him to stop droughts and floods.大学英语1

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李某被甲市某区人民法院以盗窃罪判处有期徒刑3年。在一审宣判以后，如果人民检察院认为该判决确有错误，在抗诉期间内，有权提出抗诉的人民检察院有：（） a.区人民检察院b.省人民检察院c.甲市人民检察院d.最高人民检察院刑事诉讼法学

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