Plants can absorb the carbon dioxide through their ______ during the sunlight ho

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问题 Plants can absorb the carbon dioxide through their ______ during the sunlight hours and produce oxygen which human beings need to survive.

选项 A、slots
B、hoses
C、pores
D、sponges

答案 C

解析 slot指“凹槽状的开口”；hose指的是“软管”；sponge是“海绵”的意思，均与本题题意不符。只有pore可以指“(植物体上的)气孔”，因此C是正确的选项。

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