题目内容

Listen to the statement and complete the following sentences with NO MORE THAN TWO WORDS. In under-developed countries, farmers have to use pesticides to get rid of __________ and communicable diseases.

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Listen to the statement and complete the following sentences with NO MORE THAN TWO WORDS. According to the United Nations report, pesticides utilized in _________ have many negative effects on human health and the environment.

Listen to the statement and circle the appropriate letter. Why do farmer not want to grow organic cotton

A. Because it is cheaper than conventional cotton.
Because organic cotton is more expensive to grow than conventional.
C. Because people don’t like to wear clothes made from organic cotton.

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Listen to the conversation and circle the appropriate letter. Wool can become contaminated __________ .

A. when sheep flees,
B. when sheep are imported,
C. since the birth of sheep.

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Listen to the statement and circle the appropriate letter. What’s the percentage of cotton which is grown without the use of pesticides in the global market

A. about 25%
B. about 30%
C. unknown

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