1、双基限时练(十九)Unit 12Lesson 3.单词拼写1Its the _ (习俗) of giving presents at Christmas in the western countries.答案custom2The company _ (进行) a survey to find out local reaction to the new theater.答案conducted3The government spokesman is very _ (谨慎的) about expressing his opinion in public.答案cautious4He _ (盯着) at
2、 the boy, trying to remember whose son he was.答案stared5There are differences between _ (口头的) and written English.答案spoken6Many editors prefer stories about people, places and events that their readers are _ (熟悉的) with.答案familiar7When I was ill, I completely lost my _ (胃口) and wanted to eat nothing.答
3、案appetite8There are two people _ (受伤) in the car accident.答案injured9We waited for the _ (到来) of our guests.答案arrival10He _ (低语) to me that Michael Jackson was murdered.答案whispered.单句语法填空(不多于3个单词)1Our country is similar _ yours in that they both have several time zones.答案与解析to句意：我们的国家和你们的国家相似，因为二者都跨好
4、几个时区。2He is a _ (caution) investor (投资商) who studies the market before buying.答案与解析cautious句意：他是一个谨慎的投资者，买之前要研究市场。cautious指“小心的；谨慎的”，含有“提防”之意。3John is leaving for London tomorrow and I will see him _ at the airport.答案与解析off前一分句说约翰要去伦敦，后一分句谈到了机场，那自然与“送行”有关。see sb. off“为某人送行”。4One of the twins has _ g
5、reat appetite _ science, while the other appreciates sports very much.答案与解析a; for句意：那对双胞胎中的一个很喜欢科学，而另一个非常喜欢体育。have an appetite for“有的爱好；有的渴望”，为固定搭配，符合句意。.短语填空1_ the laws of China, he should be sentenced to death.答案According to2China _ the four ancient inventions.答案is famous for3He _ his leg _ while
6、riding on a horse, and he is in hospital now.答案got; injured4They _ trying to persuade the old man to move home.答案had a hard time5She will _ washing her hair just when I want to have a bath.答案insist on6If someone _ a building, they get into it by force.答案breaks into7Remember to bring your daughter wi
7、th you_ you come to see me.答案the next time8Professor Wang _ some facts _ his theory.答案added; to.阅读理解AIn all the worlds cultures, people sing, play instruments, and celebrate with music. It plays such an important role in our lives that all fields focus on its study, including one looking at the biol
8、ogy of music. Experts are finding that because of the way our brains process music, learning to play an instrument or just listening to music can have a wide range of benefits.Music education has received a lot of attention. Learning to play an instrument can help children improve math, science, and
9、 language skills. One study in Canada tracked childrens IQ scores for nine months, discovering that children who studied music had the biggest test score improvements. The secret may lie in the way reading music and playing notes uses several areas of the brain, increasing our ability to learn schoo
10、l subjects. For example, reading notes improves spatial (空间的) reasoning skills, which are helpful in solving math problems like fractions (分数)Music is also used for medical purposes, such as the treatment of diseases which affect memory. The secret lies in the way the brain processes music. One area
11、 near the forehead, the medial prefrontal cortex, connects music with memories stored in two other areas: the amygdale and hippocampus. Thats why an old song can remind you of something that happened years ago. For patients suffering from diseases like Alzheimers, listening to music can help unlock
12、buried memories by strengthening musical pathways to memories.With the evidence of musics benefits pouring in, its no wonder some countries make music study a part of their education systems. People are recognizing that more than just a form of entertainment, music is also great for the brain.1Scien
13、tists are studying music because _.A. music can be used for medical treatmentsB. music plays a very important role in our livesC. our brains can possess music in different ways D. music education has received a lot of attention答案与解析B从第一段中“It plays such an important role in our lives that all fields
14、focus on its study, including one looking at the biology of music.”可知，科学家在研究音乐，因为它在我们的生活中起着重要的作用，选择B项。2According to the Canadian study, which children had increased IQ scores?A. Those who already had high IQs.B. Those who had always played music.C. Those who could not play any instrument.D. Those wh
15、o studied music for a period of time.答案与解析D从第二段中“One study in Canada tracked childrens IQ scores for nine months, discovering that children who studied music had the biggest test score improvements.”可知，学习一段时间音乐的孩子智商更高，选择D项。3Which of the following is a kind of disease?A. Spatial reasoning. B. Alzheim
16、ers.C. The amygdale and hippocampus. D. The medial prefrontal cortex.答案与解析B从第三段中“For patients suffering from diseases like Alzheimers, listening to music can help unlock buried memories by strengthening musical pathways to memories.”可知，Alzheimer是一种病。选择B项。4What can be the best title for the text?A. M
17、usic and health B. Music and the mindC. Music and education D. Music and instruments答案与解析B纵观全文和最后一句话“People are recognizing that more than just a form of entertainment, music is also great for the brain.”可知，这篇文章讲的是音乐和大脑的关系，选择B项。BThe smallest animal with a backbone (脊椎) known to science, a fish from
18、the carp family, has been discovered in the peat swamps (沼泽)of Indonesia. Mature (成熟的)females of the fish species (种类)Paedocypris reach just 7.9mm in length. The species was discovered in the highly acidic (酸性的) peat swamps of the Indonesian island of Sumatra by a team led by Ralf Britz, a zoologist
19、 at the Natural History Museum in London. “This is one of the strangest fish that Ive seen in my whole career，” Dr Britz said. “Its tiny, and it lives in acid. I hope that well have time to find out more about them before their habitat disappears completely.” The species lives in dark teacolored swa
20、mp waters, which are 100 times more acidic than rainwater. Although these swamps were once thought to be inhabited by very few animals, recent research has shown that they are home to a highly different range of species that occur nowhere else. The peat swamps were damaged by forest fires in 1997, a
21、nd are also threatened by agriculture. The scientists behind the discovery said that several populations of Paedocypris had already been lost. “Many of the peat swamps we surveyed(调查)throughout SouthEast Asia no longer exist，” Dr Britz said. “Populations of all the miniature(微型的)fish of peat swamps
22、have decreased or disappeared.”Details of the discovery are published today in the journal Proceedings of the Royal Society of London, Series B.5Which of the following would be the best title for the passage? AThe Strangest FishBAcidic Peat SwampsCStrange SpeciesDThe Smallest Backbone Animal答案与解析D根据
23、文章的第一段中的“The smallest animal with a backbone(脊椎)known to science, a fish from the carp family, has been discovered in the peat swamps(沼泽) of Indonesia.”可知，这是文章的中心句。由中心句可知文章主要讲的是：最小的脊椎动物。故选择D项。6Where does the smallest backbone animal live?AIt lives in highly acidic rainwater.BThe species lives in the
24、 acidic waters of dark teacoloured swamps.CIt was put in the Natural History Museum in London.DIts habitat disappears completely. 答案与解析B根据文章第四段中的“The species lives in dark teacolored swamp waters, which are 100 times more acidic than rainwater.”可知，这种物种生活在深茶色的沼泽中，其中的水是雨水的酸度的100倍。故选择B项。7According to t
25、he passage, the forest fires in 1997 have led to the fact that _.Amany places where these animals lived have been damagedBthe population of the species has increasedCthere are many animals in the acidic peat swamps today D. agriculture doesnt affect the living space of these animals答案与解析A根据文章倒数第三段中的
26、“The peat swamps were damaged by forest fires in 1997, and are also threatened by agriculture.”可知A项正确。其他三项与文章内容不符。8Dr Britzs words imply _.Athe habitat will be more after a period of time Bmany peat swamps that they surveyed have already survivedChe wants to find more miniature fishes before their habitat disappears Dhe wants to have further research答案与解析D根据文章第三段中的“I hope that well have time to find out more about them before their habitat disappears completely.”可知，Dr Britz想进一步了解它们，在他们完全灭绝之前。故选择D项。