問題詳情


(B)The animation Farewell describes the very last polar bear on Earth saying farewell on a melting iceberg before it drowns. The director, Chu-Ling Hsu, created such a picture to focus public attention ___43.___ environmental protection. The number of polar bears ___44.___ decreasing not only because have been over-hunted by humans and badly affected by air and water pollution, but also because they are now being threatened by global warming. The animation sends a strong message that the polar bears are ___45.___ extinction. ___46.___ dying that they could disappear forever within decades. In fact, global warming doesn’t cause a threat to polar bears alone. The severe climate change caused by global warming kills thousands of people at a time. In 2003, a heat wave hit Europe and injured more than thirty thousand people. Hurricane Katrina in 2005 ___47.___ tens of thousands of Americans homeless. And now more and more land that was once fertile ___48___ barren, since the deserts near the equator are expanding. It is ___49.___ that humans might soon face famine, just as many polar bears have already experienced.
43.
(A) for
(B) in
(C) on
(D) at

參考答案

答案：B
難度：適中0.5
統計：A(3),B(3),C(0),D(0),E(0)

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