四级改革后到 12 月阅读真题及答案1
Passage OneGlobal warming may or may not be the great environmental crisis of the 21 st century, but regardless of whether it is or isn’t –we won’t do much about it
We will argue over it and may even, as a nation, make some fairly solemn-sounding commitments to avoid it
But the more dramatic and meaningful these commitments seem, the less likely they are to be observed
Al Gore calls global warming an “inconvenient truth,” as if merely recognizing it could put us on a path to a solution
But the real truth is that we don’t know enough to relieve global warming, and –without major technological breakthroughs—we can’t do much about it
From to 2050, the world’s population is projected to grow from 6
4 billion to 9
1 billion, a 42% increase
If energy use per person and te