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1、- 1 -课时作业课时作业 15 Canada“The True North”.阅读理解阅读理解(2015湖北省黄石市示范三校元月联考湖北省黄石市示范三校元月联考)One baobab tree in South Africa is so large that a popular pub has been established inside its trunk. Many local cultures consider baobab trees to be sacred (神圣的神圣的). Others use them for their nutritious fruits, eatabl
2、e leaves and beautiful flowers.But the size has not necessarily protected them. According to research published in Biological Conservation, two of Madagascars baobab tree species will lose much of their available habitat in the next 70 years. One species may not survive to the next century. Madagasc
3、ar is home to seven of the worlds eight baobab species, six of which can be found nowhere else.The studyby scientists from the French agricultural research center CIRADrelied on satellite images and field work to develop population estimates and distribution models for three baobab species. All thre
4、e trees are currently listed as endangered on the IUCN Red List. The study suggests that two of the species should now be reclassified as seriously endangered.One of those species, A. perrieri, had the lowest current population, with just 99 trees observed during ten years of field study. The resear
5、chers estimate that climate change will decrease the habitat of this species from about 21,000 square kilometers today to just over 6,500 square kilometers in 2080.The second species, Asuarezensis, had a higher estimated current population of 15,000 trees but a far smaller distribution area of just
6、1,200 square kilometers. Based on climate change models, the - 2 -researchers estimated that the distribution of this species will cover just 17 square kilometers by 2050 and could face potential extinction by 2080.The one bright spot in their study was Agrandidieri, the largest and most populous ba
7、obab species. The researchers counted an estimated one million trees with a distribution of more than 26,000 square kilometers. This isnt expected to change much by 2050.As the researchers point out, theres nowhere left for the baobabs to go. Many baobab trees currently are in Protected Area Network
8、s (PANs) established to preserve Madagascars biodiversity, but the areas outside many PANs have been almost completely changed to agriculture or cattle feeding areas, leaving no room for the trees to expand their distribution.The researchers wrote that the existing PAN system in Madagascar “is not l
9、ikely to be effective for biodiversity conservation in the future” because the PANs will not always contain the ecological features necessary for the survival of the species that live inside them today. They suggest that the PAN system will need to be adapted.1According to the text, baobab trees _.A
10、dont bear fruitsBcan only be seen in AfricaCare treated with respect in MadagascarDhave about a dozen species2It can be inferred from CIRANs study that _.Aits not easy to estimate baobab trees populationBthe IUCN Red List needs to be adjustedCsatellite images are not totally reliable- 3 -Dfield work
11、 plays a great role in saving baobab trees3Of the three baobab species researched by CIRAD, _.AA.perrieri had the smallest distribution areaBall of them currently are in PANsCA.grandidieri is the least endangered speciesDA.suarezensis is likely to disappear in 20504What is the best title for the tex
12、t? AThere is an amazing big tree species in South AfricaBClimate change could wipe out baobab trees in MadagascarCExpanding baobab trees distribution is an urgent taskDMore efforts should be made to protect native wildlife答案与解析答案与解析1C 细节理解题。从第一段第二句细节理解题。从第一段第二句 Many local cultures consider baobab tr
13、ees to be sacred (神圣的神圣的)可知选可知选 C 项。项。2B 推理判断题。从第三段最后一句推理判断题。从第三段最后一句 The study suggests that two of the species should now be reclassified as seriously endangered.可知可知 B 项正确。项正确。3C 细节理解题。从第六段第一句细节理解题。从第六段第一句 The one bright spot in their study was Agrandidieri, the largest and most populous baobab s
14、pecies. 可知可知 C 项正确。项正确。4B 标题归纳题。从第二段内容可知标题归纳题。从第二段内容可知 B 项正确。项正确。.阅读填句阅读填句(2015辽宁省实验中学月考辽宁省实验中学月考)As with everything in life, there is a right way to sleep in a manner that is productive in dream recall. Relaxation and good sleeping habits are necessary. There is “sleep debt” that occurs when you re
15、gularly do - 4 -not get enough sleep. If so, youll sleep too deep to remember your dreams, so follow regular habits. Before you leap into bed, review these steps：_1_This can be done with nothing more than peace and quiet. If you choose, use your favorite relaxation tapes, or just some peaceful music
16、._2_ As you start to sleep, pay attention to the main theme. This will give you a clue as to what your dream may end up being based on. Also, by keeping your mind on what you what to dream about is a good way to dream about one particular issue. Give yourself a suggestion to remember your dream. _3_ In order to do so, giving yourself a suggestion is simple. Just keep in mind, and randomly b
