16.Many of our favorite travel destinations are in danger of being changed badly by increased temperatures and rising seas.The following are some of the places that may be in danger and some that are already experiencing the effects of global warming.
The Everglades,F(xiàn)lorida:Perhaps no region of the country is as unprotected to climate change as Florida.Even a slight increase in temperature and water level could devastate popular destinations like the Everglades,Miami Beach and the Keys.
Australia's Great Barrier Reef:One of the most impressive natural habitats in the world,the Great Barrier Reef could be killed by increased water temperatures and the resulting coral bleaching (漂白法).Australia is particularly easily damaged by global warming because of its large number of fragile (脆弱的) ecosystems,uncertain water sources and a large group of people gathering on the coast.
Dalian,China:Fast-growing China,shown here during a heat wave last year,is opening about one coal factory every day this year.Along with the U.S.,China is one of the world's leading contributors to the greenhouse gases,which can lead to the increase in the Earth's temperature.
Venice,Italy:No stranger to flooding,Venice has invested 4.5billion in a floodgate system that is due to open in 2012.But the frequent changing ocean levels have made people question the floodgates'ability to hold out the rising waters.
London,England:Designed to protect London from storms and extremely high tides,the Thames Barrier was opened in 1984.Some analysts fear that rising oceans will create conditions beyond the capabilities the barrier was designed to meet.
68.The word"devastate"in paragraph 2means"B".
A.protect
B.destroy
C.swallow
D.enlarge
69.What can endanger Great Barrier Reef directly?D
A.Fragile ecosystem
B.Uncertain water sources.
C.The large group of people.
D.Increased water temperatures and the coral bleaching
70.The underlined sentence means"A".
A.flooding is common in Venice
B.everyone is familiar with flooding
C.it is strange for Venice to experience flooding
D.there is no flooding in Venice
71.The subject discussed in the text is thatD.
A.the dangerous destinations
B.the most popular destinations
C.the fascinating destinations
D.the endangered destinations.
分析 本文屬于說明文閱讀,作者通過這篇文章主要向我們描述了幾個因為溫度上升和海平面上升而面臨滅絕的旅游景點.
解答 68.B.詞義猜測題:從第二段的句子:Even a slight increase in temperature and water level could devastate popular destinations甚至一點點溫度和水平面的上升都會對這些景點造成破壞,可知"devastate"的意思是"destroy",故選B.
69.D.細節(jié)理解題:從文章第三段的句子:the Great Barrier Reef could be killed by increased water temperatures and the resulting coral bleaching (漂白法).可知直接破壞大堡礁Great Barrier Reef 水溫的增加和珊瑚漂白,故選D.
70.A.句意理解題:從第五段的句子:But the frequent changing ocean levels have made people question the floodgates'ability to hold out the rising waters.威尼斯頻繁改變的海洋水平使人們懷疑防洪閘的阻擋洪水的能力,說明這句話的意思是洪水在威尼斯是很常見的,故選A.
71.D.主旨大意題:從第一段的句子:Many of our favorite travel destinations are in danger of being changed badly by increased temperatures and rising seas可知這篇文章討論的主題是"瀕臨滅絕的旅游景點",故選D.
點評 考察學生的細節(jié)理解和推理判斷能力,做細節(jié)理解題時一定要找到文章中的原句,和題干進行比較,再做出正確的選擇.在做推理判斷題不要以個人的主觀想象代替文章的事實,要根據(jù)文章事實進行合乎邏輯的推理判斷.