2. 外语
  3. The Northern Pike is a very bad fish. It is a big, hungry fish, and eats little fish. Many Northern Pike live in Lake Davis. The

The Northern Pike is a very bad fish. It is a big, hungry fish, and eats little fish. Many Northern Pike live in Lake Davis. The

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问题     The Northern Pike is a very bad fish. It is a big, hungry fish, and eats little fish. Many Northern Pike live in Lake Davis. They are killing all the smaller fish in the lake. The Northern Pike area serious danger to the lake because they eat all the smaller fish. Soon, all other kinds of fish in the lake will be killed off. This is not healthy for the environment (环境).
   Researchers are afraid that the Northern Pike will swim out of Lake Davis through many smaller rivers that feed into the lake. They could spread all over the country and damage many other water environments. If that happens, it would be too late to stop the Northern Pike.
   For ten years, officials have been trying to remove the Northern Pike from Lake Davis. They have tried using nets and poisons (毒). However, the Northern Pike population is still doing well in Lake Davis. Many people do not like the idea of using poison to kill the fish. They worry that the poisons are bad for humans who use the water. However, people haven’t found any poisons at all in local (当地的) wells.
   Scientists are going to try the poison again. This time, they will dry off the lake before putting the poison in. A public hearing will be held to talk about the problem.
A public hearing will be held because ______.
选项 A、local people object to the use of poisons
B、the Northern Pike have spread to other lakes
C、people are strongly against drying off the lake
D、the harm of the Northern Pike is seldom heard of
答案A
解析 推理题。题干意为“将要召开向公众开放的听证会是因为什么?”由文章第三段可知，人们反对用毒药毒杀白斑狗鱼，因为害怕人们使用的井水受到污染。而第四段第一句话指出科学家打算再次尝试用毒药消灭白斑狗鱼，由此可以推出，召开听证会的原因是当地居民反对使用毒药，为此要征求大家的意见。故A为正确答案。
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