B.his study is not suitable to support short-term global warming
C.global warming concerns should be focused on in the next century
D.the lifetime of a species can be extended t0 10 million years
60.Bywe dont have 500 million years to wait(Line 4,Para.6),the author suggests that_____.
A.we have no enough time to allow the earth to recover from damages
B.we have no enough time to witness the evolution of a species
C.its urgent for humans to take steps to prevent global warming
D.its necessary for humans to stop maltreatment of the planet
Passage Two
Questions 61 to 65 are based oil the following passage.
Uke a tired marriage.the relationship between libraries and publishers has long been reassuringly dull.Ebooks,however,are causing heartache.
Libraries know they need digital wares if they are to remain relevant,but many publishers are too careful about piracy and lost sales to c0.operate.Among the big six.only Random House and HarperCollins license e-books with most libraries.The others have either denied requests or are reluctantly experimenting.
Publishers are wise to be nervous.Owners of e.readers are exactly the customers they need:booklovers with money-neither the devices nor broadband connections come cheap.If these wonderful people switch to borrowing e-books instead of buying them,what then?
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