1．From the passage we can learn that most produce sold at the grocery stores in the US________.

　　A．is grown by local farmers

　　B．is from foreign countries

　　C．comes from far away

　　D．is out of season

　　解析：选C。细节理解题。由第一段的最后一句话可以得出答案。

　　2．What would be the effect of transportation of food?

　　A．It pollutes the food during the transportation.

　　B．It makes the cost of the food much higher.

　　C．It makes the food less fresh and tasteless.

　　D．It causes air pollution and global warming.

　　解析：选D。细节理解题。由第二段中的“Their 5,900mile journey in cargo ships and trucks gives off 7,000 tons of global warming pollution each year，and enough air pollution...”可知答案。

　　3．Which of the following may have a bad effect on the health of the planet?

　　A．Eating higher on the food chain.

　　B．Eating locally grown food.

　　C．Eating more organic produce.

　　D．Eating fresh and tasty food.

　　解析：选A。由第三段的内容可知本题应选A。

　　4．The main purpose of the passage is________.

　　A．to help local farmers grow and sell their produce

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