#398) In spite of continuing national trends toward increased consumption of specialty foods, agronomists in the Midwest foresee a gradual reversion to the raising of agricultural staples: feed corn and hard red wheat.
(A) a gradual reversion to the raising of agricultural staples
(B) that a gradual reversion back will feature the raising of agricultural staples
(C) a gradual reversion back to the raising of agricultural staples again
(D) a gradual reversion to raise agricultural staples
(E) a gradual reversion into the raising of agricultural staples
答案为A, 选项D用to do 有什么不好? 谢谢
这儿的to 是介词
用to V有表目的的意思,
我不懂的是为什么这里要用raising?
用raise不就可以了吗?
raising
adj : increasing in quantity or value; "a cost-raising increase in the basic wage rate"
n 1: the event of something being raised upward; "an elevation of the temperature in the afternoon"; "a raising of the land resulting from volcanic activity" [syn: elevation, lift] 2: the properties acquired as a consequence of the way you were treated as a child [syn: rearing, nurture] 3: raising someone to be an accepted member of the community; "they debated whether nature or nurture was more important" [syn: breeding, bringing up, fostering, fosterage, nurture, rearing, upbringing]
我实在不明白,这里的对称平行从何而来?
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