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A.by keeping its original shape and color B.in the life of cut flowers C.to produce carbon dioxide D.for as long as possible E.b
A.by keeping its original shape and color B.in the life of cut flowers C.to produce carbon dioxide D.for as long as possible E.b
admin
2015-02-17
55
问题
A.by keeping its original shape and color
B.in the life of cut flowers
C.to produce carbon dioxide
D.for as long as possible
E.by controlling temperature
F.to replace the water and solution every day
A few simple facts will help you keep cut flowers______.
选项
答案
D
解析
本题的答案在第一段,该段的最后一句话中的第一个词this是关键词,要回答该题,我们只需把这个this所代指的意思找到,从上下文可以看出,它代指了前一句中的How to keep them for as long as possible。选项D符合题意,故选D。
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本试题收录于:
职称英语综合类A级题库职称英语分类
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职称英语综合类A级
职称英语
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