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问题 单项选择题

发生重大食品安全事故的，接到报告的县级卫生行政部门应当按照规定向（）报告。

A、本级人民政府

B、上级人民政府卫生行政部门

C、上级人民政府

D、本级人民政府和上级人民政府卫生行政部门

答案

参考答案：D

填空题

  Life today has brought about new problem. One of the biggest problems of every nation is pollution. In America, there are laws ___66_____the air and water clean. These are new laws and it has taken much time __67____ a polluted river or lake. Now the fish are healthy again and people can enjoy __68_____in the clean water. 

When food is brought from the store to the home, it is packed in paper, glass, or plastic. Every day a newspaper comes to the home. Americans use __69_____all these materials in the garbage which was picked up by a large truck. The truck these materials to a garbage dump or a land-fill. The truck dumped the garbage into a large hole and then earth was pushed over the garbage until the hole was filled. Then, a new hole must be found.

As the years went by, the garbage increased as the population __70_______. Scientists suggested using some garbage again. They advised businessmen _____71____money by recycling or using paper, glass, and plastic again.

Now, a recycling truck comes to each home once a week __72_______ up materials. American families are told _____73_____their newspaper in boxes and clean all glass, and plastic. The truck takes them to factories for recycling.

Recycling is a way _____74_____the environment from pollution by __75_____ many materials again.
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判断题

时至2010年，在线渠道适于销售任何产品和服务。
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