单项选择题

Questions 11 to t3 are based on the following passage. At the end of the passage ,you will be given 15 seconds to answer the questions. Now listen to the passage. How can the group carry out their studies

A．By using satellite images, maps, etc.
B．By studying specific farming methods.
C．By studying the variation of human population.
D．By analyzing the quality of crops.

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单项选择题

What does the man have to do in order to drive legally

A．Show his student ID and pay ten dollars.
B．Use his international driver’s license.
C．Take a driver’s test and apply for a limited license.
D．Show proof of temporary residence.

单项选择题

How can the satellites catch the information about the soil

A．By turning the intensity of sunshine into maps.
B．By analyzing the recent weather report.
C．By capturing the microwave radiation from the soil.
D．By analyzing information provided by ground observation centers.

Questions 11 to t3 are based on the following passage. At the end of the passage ,you will be given 15 seconds to answer the questions. Now listen to the passage. How can the group carry out their studies 您的浏览器不支持 audio 元素。

Questions 11 to t3 are based on the following passage. At the end of the passage ,you will be given 15 seconds to answer the questions. Now listen to the passage. How can the group carry out their studies