2. 考研
  3. A. by removing B. made C. and help A. 【T7】________in the surface of the ground B. 【T8】________support the roots of future cro

A. by removing B. made C. and help A. 【T7】________in the surface of the ground B. 【T8】________support the roots of future cro

admin2021-09-23  3
问题 A.  by removing
B.  made
C.  and help
A. 【T7】________in the surface of the ground
B. 【T8】________support the roots of future crops
C. 【T9】________the plants that protect the soil from being blown or washed away
    Farmers usually use ploughs to prepare their fields for planting crops. Ploughs cut into the ground, and lift up weeds, and other unwanted plants. However, ploughing is blamed for causing severe damage to topsoil【T10】________Many farmers in South Asia are now trying a process called Low Till Farming. Low Till Farming limits the use of ploughs. In this method of farming seeds and fertilizer are put into the soil through small cuts【T11】________Low Till Agriculture leaves much or all the soil and remains of plants on the ground. They serve as a natural fertilizer【T2】________They take in rain and allow it to flow into the soil instead of running off. It has been proved that Low Till Farming increases harvests and reduces water use, and this method reduces the need for chemical products because there are fewer unwanted plants.
【T12】
选项 A、 
B、 
C、 
答案B
解析 选项B是一个并列动词短语，符合题句要求“They serve as a natural fertilizer and help support the roots of future crops．”在这里serve and help构成并列谓语，语法结构正确，意思也与上下文语境相符，故选B。
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