The Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern Pikes live in Lake Davis. They are killing all the smaller fish in the lake. The Northern Pike are a serious threat to the lake because they eat all the smaller fish. Soon, all other species of fish in the lake will be killed off. This is not healthy for the environment.
Experts 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 haw. tried using nets, explosives and poisons. 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 poi- sons
A. The Northern Pike will die.
B. The wells will be polluted.
C. Poisons will kill the Northern Pike.
D. The Northern Pike will swim into other lakes.
| People in different parts of the world
have very different ideas about what is good to eat. Even when people in
different countries eat the same food, they often prepare it very differently.
If you were in Germany, you would find soup that is thick and heavy. If you were
in China, you would find soup that is thin and clear. On holidays most of us eat
special foods year after year, even if many other things change, the food is
always the same. Sometimes housewives begin weeks in advance to prepare, the
special foods that are traditionally served on certain holidays. People in different parts of the world also have different ideas about what is good to drink. Among the most popular hot drinks are coffee and tea. Coffee is very popular in northern Europe and in the Middle East. Some people put cream and sugar in their coffee. But in the United A. cook the same food in different ways B. like the same kinds of food C. have the same ideas about foods D. know how to prepare the same food [填空题]You must be a very bad learner, ______________(要不) you must be going to a very. bad teacher.
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