单项选择题

Passage Three Questions 24 to 26 are based on the passage you have just heard.
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A．In areas with few weeds and unwanted plants.
B．In areas with a severe shortage of water.
C．In areas lacking in chemical fertilizer.
D．In areas dependent on imported food.

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单项选择题

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A．It can help people to become literate within a short time.
B．It was originally designed for teaching the English language.
C．It enables the learners to master a language within three months.
D．It is effective in teaching any alphabetical language to Brazilians.

单项选择题

（）

A．Accurate communication is of utmost importance.
B．Pilots should be able to speak several foreign languages.
C．Air controllers should keep a close watch on the weather.
D．Cooperation between pilots and air controllers is essential.

Passage Three Questions 24 to 26 are based on the passage you have just heard. （）

Passage Three Questions 24 to 26 are based on the passage you have just heard.
（）