2. 外语
  3. Look at the four squares, A, B, C, and D, which indicate where the following sentence could be added to the passage. Where would

Look at the four squares, A, B, C, and D, which indicate where the following sentence could be added to the passage. Where would

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问题 Look at the four squares, A, B, C, and D, which indicate where the following sentence could be added to the passage. Where would the sentence best fit?
After the flower has bloomed, the leaves gradually die back.
Even when it is dormant, a bulb holds the life of a whole plant. Because each bulb is a self-contained storehouse, the plant can survive for months in the ground without moisture. As the soil warms in the spring, the bulb draws on its food reserves to push up shoots, followed immediately by the flower stem. A By the time the flower reaches its peak, the bulb has exhausted its entire food store. B It then starts to split, forming two or more new bulbs at its base. C The plant gathers nutrients from the fading leaves so that the new bulbs have food. D Finally, the plant goes into its dormant state, where it remains until the cycle begins again.
选项 A、 
B、 
C、 
D、 
答案C
解析 The first clause of the added sentence, after the flower has bloomed, must follow the previous two sentences in time order. The second clause, the leaves gradually die back, introduces an idea that the following sentence develops in the plant gathers nutrients from the fading leaves....
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