Australia has problems with weather. It does not rain for a long time in some parts of Australia. Wildfires destroy forests and homes, too. Floods are in other places.

Now, one more problem is in New South Wales. There are too many mice. The mice destroy crops. Farmers do not know what to do.

The government(政府) has a plan. The government buys a chemical(化学药品) from India. The chemical is very dangerous. It is not legal(合法的) in Australia. The government must change the law. Then, farmers can use the chemical. Some people are not happy. They say that the chemical will kill other animals, too.

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1.How many problems in Australia are mentioned(提到) ?

A Two.

B Three.

C Four.

D Five.

解析：选C。C 细节理解题。根据第一段和第二段可知，澳大利亚有天气问题：在澳大利亚的一些地区，很长时间不下雨；野火也摧毁了森林和家园；其他地方有洪水。现在，新南威尔士州还出现了鼠害。即有四个问题，故选C。

2.______worries about the mouse problem.

A Farmers

B The police

C Other animals

D The government

解析：选A。A 细节理解题。根据第二段The mice destroy crops. Farmers do not know what to do.可知，老鼠毁坏庄稼，农场主们不知道该怎么办。故选A。

3.Farmers can use the chemical if______.

A the government has a plan

B the chemical is not dangerous

C the government changes the law

D the government buys it from India

解析：选C。C 细节理解题。根据最后一段It is not legal in Australia. The government must change the law.可知，使用这种化学药品在澳洲是不合法，政府必须修改法律，民众才可以使用。故选C。

4.Why do some people feel unhappy?

A Because they don’t know what to do.

B Because they can’t buy the chemical.

C Because the chemical is bad for other animals.

D Because the government doesn’t care about them.

解析：选C。C 推理判断题。根据最后一段Some people are not happy. They say that the chemical will kill other animals, too.可知，有些人不开心，他们说这种化学药品也会杀死其它动物。由此说明该化学药品对其它动物有害。故选C。