No living thing could survive at a vent except tube worms. [br] It is chemicals

游客2024-03-06 76

问题 No living thing could survive at a vent except tube worms. [br] It is chemicals that sustain vent life.

选项 A、Y
B、N
C、NG

答案 A

解析 It is chemicals that sustain vent life．在第五段可以看到这句话“Thus，chemicals are the key to vent life，not heat．”因此可知选Y。

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