Câu hỏi:

04/04/2020 1,640

Read the following passage, and mark the letter (A, B, C or D) on your answer sheet to indicate the correct word (s) for each of the blanks.

From the seeds themselves to the machinery, fertilizers and pesticides -The Green Revolution regimen depends heavily on technology. One (4)                 , however , depends much(5)            on technology - organic farming . Many organic farmers use machinery, but (6)                 chemical fertilizers or pesticides .(7)                 chemical soil enriches , they use animal manure and plant part not used as food - natural, organic fertilizers that are clearly a renewable (8)                 .Organic farmers also use alternatives  (9)                 pesticides ; for example they many rely on natural predators of certain insect pets.(10)                    the need arises ; they can buy the eggs and larvae of these natural predators and introduce them into their crop fields . They use(11)                 techniques to control pests as well , like planting certain crops together because one crop repels the other’s pests . Organic farmers do not need a lot of land ; (12)                        ,organic farming is perfectly (13)                        to small farm and is relatively inexpensive .Finally , many organic farmers’ average yields compare favorably with other farmers’ yields.

Điền vào ô 4

Đáp án chính xác

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Trả lời:

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Giải bởi Vietjack

Đáp án là B.

Chỗ cần điền là một danh từ.

Balternative : sự lựa chọn ( một trong hai, ở đây là fertilizers và pesticides ) Nghĩa các từ còn lại: alternation: sự xen kẽ; alteration: sự thay đổi; alternate (adj,v): xen kẽ

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