单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What does the new system enable farmers to do

A．Produce larger vegetables.
B．Transport produce more quickly.
C．Grow crops in nontraditional climates.
D．Keep vegetables fresher for a longer period.

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单项选择题

What was Frank doing at the beginning of the conversation

A．Planning a sightseeing tour.
B．Writing to his uncle.
C．Arranging his class schedule.
D．Looking through a language textbook.

单项选择题

What does the woman want the man to tell her

A．When the report is due.
B．How he chose his topic.
C．If he passed the course.
D．Whether her talk is clear.

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What does the new system enable farmers to do 您的浏览器不支持 audio 元素。

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. What does the new system enable farmers to do