We can learn from the passage that the shoot syst
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We can learn from the passage that the shoot system of the perennials_________.
A.can help the perennials absorb less of the sun’s ray
B.decides the appearance of the perennials in desert
C.limits the function of the perennials’ branches
D.may prevent the perennials from losing much water
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答案:D
细节题。本题解题的关键是注意题干是关于shoot system的提问,而不是 root system。在第三段最后一句可找到相关信息,并由此可确定选项D为正确选项。
