2021届 上海市金山区2016-2020年五年高考二模英语试题精选汇编:任务型阅读专题含答案.doc
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1、任务型阅读专题 上海市金山区 2020 届高三英语二模考试试题 Section C Directions: Read the following. Fill in each blank with a proper sentence given in the box. Each sentence can be used only once. Note that there are two more sentences than you need. Are Bamboo-Eating Pandas Really Herbivores? On the outside, giant pandas lo
2、ok like herbivores(食草动物). They spend nearly all of their waking hours eating bamboo. But on the inside, theyre built like carnivores(食肉动物). About half of the calories they eat come from protein, according to a new study. The ancestor of giant pandas were omnivorous(杂食的). They are both animals and pl
3、ants, and had the digestive system and gut bacteria to metabolize(使发生新陈代谢)them. They had umami taste receptors, to appreciate the flavors of meat. However, about 2.4 million years ago, things began to change. _47_ Their jaw and teeth evolved to help them crush bamboo, and their wrist bone became cap
4、able of grasping the stalks(杆)of their favorite plant. Scientists think pandas switched to eating bamboo partly because they didnt have to fight with other animals to get it. Bamboo is high in fiber but has a low concentration of nutrients, so pandas have to eat 20 to 40 pounds of the plant every da
5、y just to get by. David Raubenheimer, a nutritional ecologist at the University of Sydney, and his colleagues put GPS trackers on two giant pandas and followed their movement throughout the year. They discovered that the pandas followed the protein. _48_ At the start of the cycle, they ate Bashania
6、fargesii leaves until they got the chance to feast on young shoots, which contained more protein. The more the shoots grew, the more their protein was diluted(冲淡)by fiber. That caused the pandas to move to higher ground, where Fargesia qinlingensis grew. First, they ate the shoots, but these, too, w
7、ent from being protein - rich to fiber-rich as they grew. The panda responded by switching to the leaves. _49_ The researchers found that about half of the calories the pandas ate were in the form of protein. _50_ They can know exactly where to go, and when to go, so they can get the most of the nut
8、rients that their ecosystem can provide, said Silvia Pineda - Munoz, who was not involved in the study. The work also shows that classifying an animals as herbivore or carnivore is more complex than one might sassume. Its not whether youre eating plants but what of the plants youre eating, said Pine
9、da - Munoz. A. Between August and April, they sought food in low elevations(海拔)on Chinas Qinling Mountains. B. Scientists think the research show that pandas are very clever. C. Pandas eat bamboo all day long except when they are sleeping or playing. D. The gene for their umami taste receptors becam
10、e inactive. E. They fed on them until they went back down the mountain and started eating Bashania fargesii leaves again. F. Scientists have conducted many studies on pandas eating habits. 【答案】47. D 48. A 49. E 50. B 【解析】 这是一篇说明文。文章主要讲述一项研究发现,大熊猫的内在是动物的结构,它们看起来吃竹 子,其实摄入的大部分是蛋白质,这是它们喜欢吃嫩枝以及每天吃大量竹子的原因
11、。并介绍了 大熊猫从食肉到食草的转变过程。将动物分类为食草动物或食肉动物比人们想象的要复杂得 多。 【47 题详解】 上文 However, about 2.4 million years ago, things began to change.(然而,大约 240 万年前,事情 开始发生改变)与 D. The gene for their umami taste receptors became inactive.(它们的“鲜味受 体”基因变得不活跃)承接自然,选项是对上文改变的具体说明,change 和 become 是关键词, 故选 D 项。 【48 题详解】 下文 At the sta
12、rt of the cycle, they ate Bashania fargesii leaves until they got the chance to feast on young shoots, which contained more protein.(在这个周期的开始,它们吃巴山木竹的叶子,直到 有机会饱餐含更多蛋白质的嫩枝)与 A. Between August and April, they sought food in low elevations on Chinas Qinling Mountains.(8 月和 4 月之间,它们在中国秦岭山脉的低海拔地区寻 找食物)承接
13、自然,下文中的 the cycle 就是选项提到 8 月到 4 月在中国秦岭山脉的低海拔地区 寻找食物的活动,故选 A 项。 【49 题详解】 上文 First, they ate the shoots, but these, too, went from being protein - rich to fiber-rich as they grew. The panda responded by switching to the leaves.(首先,它们吃嫩枝,但随着它们的生长,这些嫩 枝也从富含蛋白质变成富含纤维。 熊猫的反应是转向叶子)与 E. They fed on them unt
14、il they went back down the mountain and started eating Bashania fargesii leaves again.(它们以它们为食, 直到它 们回到山下,再次开始吃巴山木竹的叶子)承接自然,上下文话题一致,都讲述熊猫先以嫩枝 为食,然后转向以叶为食,故选 E 项。 【50 题详解】 下文They can know exactly where to go, and when to go, so they can get the most of the nutrients that their ecosystem can provide,
15、said Silvia Pineda - Munoz, who was not involved in the study.(“它们可以准确地知道去哪里,什么时候去,所以它们可以获得生态系统所能提供的大部 分营养”Silvia Pineda Munoz 说,她没有参与这项研究)与 B. Scientists think the research show that pandas are very clever.(科学家认为这项研究表明熊猫很聪明)承接自然,下文是熊猫聪明的 具体表现,故选 B 项。 上海市金山区 2019 届高三英语二模考试试题 Section C Directions: Co
16、mplete the following passage by using the sentences given below. Each sentence can be used only once. Note that there are two more sentences than you need. The North Star Among the pile of stars in the universe, there are a couple that are of great importance to people on Earth. The sun, of course,
17、is one of them. The other is known as Polaris, the North Star. _67_. Therefore, it is a great compass(指南针).When people in the northern part of Earth look toward Polaris, they can be certain that they are facing north. The permanence of Polaris in the north sky has helped countless people find their
18、destinations. Before the invention of modern navigation tools, sailors relied on Polaris. From the top of their ships, sailors would look for Polaris to figure out their place at sea. They figured out the angle between the star and the horizon to determine their latitude(纬度). As long as the equation
19、s were not wrong, the results were very reliable. Polaris also let sailors determine North, South, East, and West. _68_ To those who sail at night, changeable storms and dark clouds were more than annoying things._69_.Its possible for a captain to make an accidental wrong turn. The ship could become
20、 stranded at sea, and the frustrated captain would have no way to get the ship back on the right course. The sailors fears wouldnt be relieved until the clouds cleared and Polaris came back into view. Even today, sailors sometimes choose to steer by using Polaris on clear nights. _70_. The Big Dippe
21、r, a constellation that is well known in astrology, appears to revolve around Polaris. The handle of the Big Dipper always points to the North Star. When people get lost, its comforting to know that their problems can be relieved by looking at the sky. A. Its not difficult to tell the Polaris apart
22、from the pile of other stars in the universe. B. People who are lost can be relieved by gazing up at Polaris. C. By knowing directions and their location, sailors could easily steer their ships. D. They could destroy entire journeys by blocking the view of Polaris. E. Its certain that the Polaris is
23、 part of a constellation(星座), which is not far from it. F. It is special because it is the only star that always appears to be in the same place in the sky. 【答案】67. F 68. C 69. D 70. A 【解析】 【分析】 本文属于说明文,介绍北极星对我们的作用和意义。 【67 题详解】 根据后一句 Therefore, it is a great compass(指南针).可知,因此是一个很好的指南针,讲述北极 星的作用,F 选
24、项,北极星特殊之处在于它似乎总在天空的同一个位置,故可以用作指南针, 切题,故选 F。 【68 题详解】 根据前一句 Polaris also let sailors determine North, South, East, and West 可知,北极星可以帮助 水手确定东南西北方向,C 选项,确定方向和位置之后,就可以调整航线,切题,故选 C。 【69 题详解】 根据前一句 To those who sail at night, changeable storms and dark clouds were more than annoying things.可知,对于夜间航行的人来说,变
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