高中英语：Many scientists believe the earth may become too hot____.A.to live on B.to live C.for humans to live D.to be lived选什么?为什么?

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高中英语：Manyscientistsbelievetheearthmaybecometoohot____.A.toliveonB.toliveC.forhumanstoliveD.tobelived

高中英语：Many scientists believe the earth may become too hot____.A.to live on B.to live C.for humans to live D.to be lived选什么?为什么?
高中英语：Many scientists believe the earth may become too hot____.
A.to live on B.to live C.for humans to live D.to be lived
选什么?为什么?

高中英语：Many scientists believe the earth may become too hot____.A.to live on B.to live C.for humans to live D.to be lived选什么?为什么?
A.这是个too…to…句型.live是个不及物动词,所以后面要加介词.至于为什么是on,是因为live的对象是地球.生活在地球上动词用on,排除BC.再者生活在地球上不用被动所以D就不选了.