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窦性心动过速的心率范围是()
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在心电图纸上纵向的1mm小格代表的是()
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There’s no question that the Earth is getting hotter. The real questions are: How much of the warming is our fault, and are we __1__ to slow the devastation by controlling our insatiable __2__ for fossil fuels?Global warming can seem too __3__ to worry about, or too uncertain --- something projected by the same computer __4__ that often can’t get next week’s weather right. On a raw winter day you might think that a few degrees of warming wouldn’t be such a bad thing anyway. And no doubt about it: Warnings about __5__ change can sound like an environmentalist scare tactic meant to force us out of our cars and restrict our lifestyles.Comforting thoughts, perhaps. Unfortunately, however, the Earth has some discomforting news.From Alaska to the snowy peaks of the Andes, the world is heating up right now, and fast. Globally, the __6__ is up 1F over the past century, but some of the coldest, most remote spots have warmed much more. The results aren’t pretty. Ice is __7__, rivers are running dry, and coasts are __8__, threatening communities.The __9__ are happening largely out of sight. But they shouldn’t be out of mind, because they are omens of what’s in store for the __10__ of the planet.A.remote B. techniques C. consisting D. rest E. willingF.climate G. skill H. appetite I. melting J. vanishingK.eroding L.temperature M. curiosity N. changes O.skillful
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