六级练习2016.07.19
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620160719.mp3[/audio]If the earth gets hotter in the new century, what will happen to animals and the plants which animals depend on for survival? The question offers another way of looking at the “(1)_______________”. People have talked about the general problem of “Global Warming” for some time. But they were usually worried about things (2)_______________________.
Biologists and other scientists turn their attention to plants and animals at an important meeting that took place last October. They were reviewed evidence that plants and animals are sensitive to climate. (3)__________________________ and warmer temperatures returned to the northern latitudes, many species have migrated north.
**** Hidden Message ***** green house effects
whether to by ar home and coast
since the acge at 10,000 years ago
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