2. 金融经济
  3. Algae are plants that canA.live in very hot temperatures B.live in very cold tem

Algae are plants that canA.live in very hot temperatures B.live in very cold tem

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问题 Algae are plants that can
选项 A.live in very hot temperatures
B.live in very cold temperatures
C.manufacture oxygen
D.all of the above
答案D
解析由第三段的第一句“Sagan proposes that algae organisms，which can live in extremely hotor cold atmospheres and at the same time produce oxygen”可知，A、B、C均正确，所以选D。
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