Answer the questions below. Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer. Write your answers

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问题 Answer the questions below.
Choose NO MORE THAN THREE WORDS AND/OR A NUMBER from the passage for each answer.
Write your answers in boxes 12-14 on your answer sheet.
How large can a treadle pump irrigate the field according to the passage?

选项

答案half an acre

解析 本题询问脚踏泵的灌溉面积,与脚踏泵的功能有关,故定位应该在E段的构造介绍之后。F段首句明确提到,灌溉面积是half an acre。
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