人教版（2019）高中英语选择性必修第二册 Unit5 First Aid真题训练（有答案）
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人教版2019选择性必修第二册
Unit 5 First aid
真题训练
一、单项选择
1.（2012·天津）He got up late and hurried to his office, _______ the breakfast untouched.
A.left B.to leave
C.leaving D.having left
2.（2012·上海）"Genius" is a complicated concept, ________ many different factors.
A.involved B.involving C.to involve D.being involved
3.（2013·山东）________ at the cafeteria before, Tina didn't want to eat there again.
A.Having eaten B.To eat
C.Eat D.Eating
4.（2014·江西）________ nearly all our money, we couldn't afford to stay at a hotel.
A.Having spent B.To spend
C.Spent D.To have spent
5.（2015·天津）__________ for two days, Steve managed to finish his report on schedule.
A.To work B.Worked
C.To be working D.Having worked
6.（2013·全国）I got to the office earlier that day, ________ the 7：30 train from Paddington.
A.caught B.to have caught
C.to catch D.having caught
7.（2012·福建）Pressed from his parents, and ____ that he has wasted too much time, the boy is determined to stop playing video games.
A.realizing B.realized
C.to realize D.being realized
8.（2012·湖南）The lecture, _______at 7:00 pm last night, was followed by an observation of the moon with telescopes.
A.starting B.being started
C.to start D.to be started
9.（2012·江苏） an important decision more on emotion than on reason， you will regret it sooner or later.
A.Based B.Basing C.Base D.To base
10.（2011·陕西）More highways have been built in China, _____ it much easier for people to travel from one place to another.
A.making B.made C.to make D.having made
11.（2008·上海） My sister, an inexperienced rider, was found sitting on the bicycle______to balance it.
A.having tried B.trying C.to try D.tried
12.（2009·上海）A small plane crashed into a hillside five miles east of the city, _____all four people on board.
A.killed B.killing
C.kills D.to kill
13.（2009·四川）_____ many times, he finally understood it.
A.Told B.Telling C.Having told D.Having been told
14.（2015·重庆） Like ancient sailors, birds can find their way__________ the sun and the stars.
A.used B.having used
C.using D.use
15.（2015·福建）In recent years an English word ＂infosphere＂ has appeared, __________the sense of ＂information＂ and ＂ atmosphere＂.
A.combine B.combined
C.combining D.being combined
16.（2015·北京）The park was full of people, ________ themselves in the sunshine.
A.having enjoyed B.enjoyed
C.enjoying D.to enjoy
17.（2014·山东） There is a note pinned to the door ___________ when the shop will open again.
A.saying B.says
C.said D.having said
18.（2014·湖南）There is no greater pleasure than lying on my back in the middle of the grassland, ___________ at the night sky.
A.to stare B.staring
C.stared D.having stared
19.（2014·福建） ___________the past year as an exchange student in Hong Kong, Linda appears more mature than those of her age.
A.Spending B.Spent
C.Having spent D.To spend
20.（2014·广西）Today there are more airplanes____ more people than ever before in the skies.
A.carry B.carrying
C.carried D.to be carrying
二、阅读理解
（2007·辽宁）What will people die of 100 years from now If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技术). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today’s leading killers, such as heart disease, cancer, and aging itself, will become distant memories.
In discussion of technological changes, the Internet gets most of the attention these days.But the change in medicine can be the real technological event of our times. How long can humans live Human brains were known to decide the final death.Cells(细胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever.But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on—in much the same way our bodies make new skin cells to take the place of old ones.
It is exciting to imagine that the advance in technology may be changing the most basic condition of human existence, but many technical problems still must be cleared up on the way to this wonderful future.
21.According to the passage,human death is now mainly caused by _______.
A.diseases and aging B.accidents and war
C.accidents and aging D.heart disease and war
22.In the author’s opinion, today’s most important advance in technology lies in _______.
A.medicine B.the Internet
C.brain cells D.human organs
23.Humans may live longer in the future because _______.
A.heart disease will be far away from us
B.human brains can decide the final death
C.the basic materials of cells will last forever
D.human organs can be repaired by new medicine
24.We can learn from the passage that _______.
A.human life will not last more than 120 years in the future
B.humans have to take medicine to build new skin cells now
C.much needs to be done before humans can have a longer life
D.we have already solved the technical problems in building new cells
三、七选五
（2014·辽宁）Eyesight plays a very important role in our daily life. Every walking moment, the eyes are working to see the world around us. Over forty percent of Americans worry about losing eyesight, but it's easy to include steps into our daily life to ensure healthy eyes. Here are five suggestions for a lifetime of healthy eyesight:
Schedule yearly exams.
25. Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check. The good news is that millions of children now can have yearly eye exams and following treatment, including eyeglasses.
Protect against UV rays .
Long-term stay in the sun creates risk to your eyes. No matter what the season is, it’s extremely important to wear sunglasses. 26. Give your eyes a break.
Two-thirds of Americans spend up to seven hours a day using computers or other digital products. 27. Experts recommend that people practice the 20/20/20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away.
28..
As part of a healthy diet, eat more fruits and vegetables each day. Vitamins C and E help protect eyesight and promote eye health.
Practice safe wear and care of contact lenses.
Many Americans use contact lenses to improve their eyesight. While some follow the medical guidance for wearing contact lenses, many are breaking the rules and putting their eyesight at risk. 29.
Otherwise: you may have problems such as red eyes, pain in the eyes, or a more serious condition.
A.Eat your greens.
B.Eye care should begin early in life.
C.They can properly protect your eyes.
D.Stay in good shape by taking more vitamins.
E.Parents usually don’t care about their own eyesight.
F.Always follow the doctor’s advice for appropriate wear.
G.This frequent eye activity increases the risk for eye tiredness.
答案与解析
一、1.C
【解析】考查非谓语动词。句意：他起晚了，没有吃早饭就匆忙赶往办公室。he与leave是主谓关系，即他让......处于某种状态，应该用现在分词表伴随状况，排除A、B；“hurried”和“leaving”两个动作是同时发生的，当两个动作有时间先后关系时，需要使用现在分词的完成式，排除D；leave the breakfast untouched没有动早餐，故选C。
2.B
【解析】
试题分析：本题考查非谓语，是这个概念的内容本身包含，用现在分词做定语，所以排除 A 和 D，而这个概念现在本身就包含，所以排除表示将来的C，所以答案为B。
3.A
【解析】考查非谓语动词。句意：Tina以前在这家自助餐厅吃过饭，所以不想再去那里吃了。分析句子结构可知，________ at the cafeteria before是原因状语，Tina和“吃”之间是主动关系，用现在分词，且eat这个动作发生在句子动作之前，故要用现在分词的完成式。故选A。
4.A
【解析】考查非谓语动词。句意：已经花完了几乎所有的钱，我们无法支付住宾馆的费用。动词不定式表将来和目的，根据句意可知，“花钱”的动作发生在过去，排除B、D；过去分词表完成和被动，we与spend是主谓关系，应该用现在分词，排除C；当两个动作有先后关系时，用现在分词的完成式，现在分词的完成式在本句相当于because we have spent nearly all our money，表原因。故选A。
5.D
【解析】考查非谓语动词。句意：工作了两天，Steve成功的按时完成了他的报告。句中的逻辑主语为Steve，与work之间为主动关系，故用现在分词，这里用having worked，表示动作的先后性。故选D。
6.D
【解析】考查非谓语动词。句意：那天我早到了办公室，因为赶上了7:30那趟来自帕丁顿的火车。分析句子可知，catch用非谓语动词形式，catch发生在got之前，应该用完成式，与主语I是主动关系，用现在分词的完成时，having caught表示原因，相当于because引导的原因状语从句。故选D。
7.A
【解析】考查非谓语动词。句意：迫于父母的压力，男孩意识到自己浪费了太多的时间，决定停止玩电脑游戏。首先要弄清楚本句中的and连接的成分是非谓语动词做状语，主语the boy与press是被动关系，但是与realize是主动，所以是现在分词做状语。故选A。
8.A
【解析】考查非谓语动词。句意：昨晚7点开始的讲座之后是用望远镜观察月球。 start与逻辑主语the lecture之间为主动关系，故排除B、D两项。不定式作定语时，常表示动作尚未发生，故排除C项，此处用现在分词作后置定语，表示主动。故选A。
9.B
【解析】试题分析：考查非谓语动词。句意：根据感情而不是理智作重要决定的话，你迟早会后悔的。you与base之间是逻辑上的主谓关系，表示主动，用现在分词作状语，故选B。
10.A
【解析】考查非谓语动词。句意：中国修建了越来越多的高速公路，人们更加方便从一个地点到另外一个地点。空格后面是it，说明是主动关系，排除B；不能选择C的原因是to do作目的状语，不符合句意；根据句意可知，此处是现在分词做结果状语。故选A。
11.B
【解析】考查非谓语动词。句意是：有人看见骑车很不熟练的我姐姐正坐在自行车上尽力的想保持平衡。分析句子可知，try做宾语补足语，根据句意可知，表示正在进行的动作用现在分词作宾语补足语，故选B。
12.B
【解析】考查非谓语动词。句意：一家小型飞机撞上了距离城市东部五英里的一个山腰，机上四人全部丧生。Plane与kill是主谓关系，应该使用现在分词表示主动，并作伴随状语。故选B。
13.D
【解析】考查非谓语动词。句意：他被告知了很多次后，终于明白了这件事。tell这个动作发生在主句谓语动词understand的前面，存在逻辑上的先后关系，同时与逻辑主语I又是被动，故选D
14.C
【解析】考查非谓语动词。句意：象古代的水手，鸟能利用太阳和星辰来找到他们的路。谓语动词是can find，故use用非谓动词作伴随状语，与逻辑主语birds是主动关系，用现在分词做伴随状语，根据句意，use这一动作与谓语动词动作同时，用现在分词的一般式。故选C。
15.C
【解析】考查非谓语动词。句意：最近几年，一个叫做infosphere的英语单词出现了，结合了“信息”和“气氛”这两个单词。这里的结合与前面新出现的单词的关系是主动的，用现在分词。所以故选C。
16.C
【解析】考查非谓语动词。句意：公园里挤满了人，在阳光下尽情享受。enjoy和前面没有连接词，和句子主语之间是主动关系，所以用现在分词做伴随状语。故选C。
17.A
【解析】考查非谓语动词。句意：门上钉着一张纸条，写着这家商店什么时候再营业。在这个句子中note和say是主动关系，所以要用现在分词的一般式做伴随状语，表主动、进行。故选A。
18.B
【解析】考查非谓语动词。句意：没有比背躺在草地中间，盯着夜空更快乐的事情了。句中的动词stare的逻辑主语是隐含主语I，两者之间为主动关系，应用现在分词的一般式做伴随状语，表示主动、进行。故选B。
19.C
【解析】考查非谓语动词。句意：由于Linda过去几年在香港作交换留学生，所以她看起来比她的实际年龄更成熟。 “花费”和其逻辑主语“Linda”之间是主动关系，故用现在分词作原因状语。且“花费”的动作明显早于“看起来成熟”这个动作。表示发生在谓语动作之前的动作，用现在分词的完成时。故选C项。
20.B
【解析】考查非谓语动词。句意：现在比以前有有更多的飞机运送乘客。此处airplane和carry之间是主动关系，应用现在分词作定语，表主动。故选B。
考点：考查现在分词作定语
二、【答案】21.A 22.A 23.D 24.C
【解析】本文是一篇说明文。文章讲述了现代药物技术的进步对人的寿命的影响。
21.细节理解题。根据第一段“Today’s leading killers, such as heart disease, cancer, and aging itself, will become distant memories.”可知导致人类死亡的主要原因是疾病和衰老。故选A。
22.推理判断题。根据第二段“But the change in medicine can be the real technological event of our times.( 但医学上的变化可能是我们这个时代真正的技术事件。)”可以推断出，医药的改变是我们这个时代发展最大的技术。故选A。
23.细节理解题。根据第二段“But the upper limits will be broken by new medicine...medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs.”可知医药将能够修复人的器官使人活得更长。故选D。
24.细节理解题。根据最后一段“but many technical problems still must be cleared up on the way to this wonderful future.( 但在通向这一美好未来的道路上，仍有许多技术问题需要解决。)”可知还有很多技术问题需要解决，才能实现(延长人类生命的目的)。故选C。
三、【答案】25.B 26. C 27. G28.A 29.F
【解析】这是一篇说明文。文章通过给出五个建议，描述如何拥有健康的视力。
25.由空格处后的句子Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check.可知，专家建议父母们应在孩子6到12月时就应带他们去医生那里做一个仔细的检查。选项B：眼睛护理应开始于早期。前后句呼应，故选B项。
26.空格上一句No matter what the season is, it’s extremely important to wear sunglasses.提到，无论什么季节，戴太阳镜都很重要。选项C：他们可以适当保护你的眼睛。they指代太阳镜，前后呼应，故选C项。
27.空格上一句Two-thirds of Americans spend up to seven hours a day using computers or other digital products.提到，三分之二的美国人每天花费七个小时使用电脑或是电子产品。选项G：这些频繁的用眼活动增加了眼睛疲劳的风险。前后呼应，故选G项。
28.由空格处下一段As part of a healthy diet, eat more fruits and vegetables each day. Vitamins C and E help protect eyesight and promote eye health.可知，保护视力要多吃蔬菜和水果，里面的维生素对眼睛有好处。与选项A：吃青菜，前后内容呼应，故选A项。
29.空格前面的内容提到，美国人戴隐形眼镜来提高视力，空格后面Otherwise: you may have problems such as red eyes, pain in the eyes, or a more serious condition.否则，你可能会有红眼病，眼痛或是更多严重的眼睛问题。选项F：为了佩戴舒适，要遵从医生的建议，使空格前后内容衔接自然，故选F项。
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Unit 5 First aid
真题训练
一、单项选择
1.（2012·天津）He got up late and hurried to his office, _______ the breakfast untouched.
A.left B.to leave
C.leaving D.having left
2.（2012·上海）"Genius" is a complicated concept, ________ many different factors.
A.involved B.involving C.to involve D.being involved
3.（2013·山东）________ at the cafeteria before, Tina didn't want to eat there again.
A.Having eaten B.To eat
C.Eat D.Eating
4.（2014·江西）________ nearly all our money, we couldn't afford to stay at a hotel.
A.Having spent B.To spend
C.Spent D.To have spent
5.（2015·天津）__________ for two days, Steve managed to finish his report on schedule.
A.To work B.Worked
C.To be working D.Having worked
6.（2013·全国）I got to the office earlier that day, ________ the 7：30 train from Paddington.
A.caught B.to have caught
C.to catch D.having caught
7.（2012·福建）Pressed from his parents, and ____ that he has wasted too much time, the boy is determined to stop playing video games.
A.realizing B.realized
C.to realize D.being realized
8.（2012·湖南）The lecture, _______at 7:00 pm last night, was followed by an observation of the moon with telescopes.
A.starting B.being started
C.to start D.to be started
9.（2012·江苏） an important decision more on emotion than on reason， you will regret it sooner or later.
A.Based B.Basing C.Base D.To base
10.（2011·陕西）More highways have been built in China, _____ it much easier for people to travel from one place to another.
A.making B.made C.to make D.having made
11.（2008·上海） My sister, an inexperienced rider, was found sitting on the bicycle______to balance it.
A.having tried B.trying C.to try D.tried
12.（2009·上海）A small plane crashed into a hillside five miles east of the city, _____all four people on board.
A.killed B.killing
C.kills D.to kill
13.（2009·四川）_____ many times, he finally understood it.
A.Told B.Telling C.Having told D.Having been told
14.（2015·重庆） Like ancient sailors, birds can find their way__________ the sun and the stars.
A.used B.having used
C.using D.use
15.（2015·福建）In recent years an English word ＂infosphere＂ has appeared, __________the sense of ＂information＂ and ＂ atmosphere＂.
A.combine B.combined
C.combining D.being combined
16.（2015·北京）The park was full of people, ________ themselves in the sunshine.
A.having enjoyed B.enjoyed
C.enjoying D.to enjoy
17.（2014·山东） There is a note pinned to the door ___________ when the shop will open again.
A.saying B.says
C.said D.having said
18.（2014·湖南）There is no greater pleasure than lying on my back in the middle of the grassland, ___________ at the night sky.
A.to stare B.staring
C.stared D.having stared
19.（2014·福建） ___________the past year as an exchange student in Hong Kong, Linda appears more mature than those of her age.
A.Spending B.Spent
C.Having spent D.To spend
20.（2014·广西）Today there are more airplanes____ more people than ever before in the skies.
A.carry B.carrying
C.carried D.to be carrying
二、阅读理解
（2007·辽宁）What will people die of 100 years from now If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技术). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today’s leading killers, such as heart disease, cancer, and aging itself, will become distant memories.
In discussion of technological changes, the Internet gets most of the attention these days.But the change in medicine can be the real technological event of our times. How long can humans live Human brains were known to decide the final death.Cells(细胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever.But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on—in much the same way our bodies make new skin cells to take the place of old ones.
It is exciting to imagine that the advance in technology may be changing the most basic condition of human existence, but many technical problems still must be cleared up on the way to this wonderful future.
21.According to the passage,human death is now mainly caused by _______.
A.diseases and aging B.accidents and war
C.accidents and aging D.heart disease and war
22.In the author’s opinion, today’s most important advance in technology lies in _______.
A.medicine B.the Internet
C.brain cells D.human organs
23.Humans may live longer in the future because _______.
A.heart disease will be far away from us
B.human brains can decide the final death
C.the basic materials of cells will last forever
D.human organs can be repaired by new medicine
24.We can learn from the passage that _______.
A.human life will not last more than 120 years in the future
B.humans have to take medicine to build new skin cells now
C.much needs to be done before humans can have a longer life
D.we have already solved the technical problems in building new cells
三、七选五
（2014·辽宁）Eyesight plays a very important role in our daily life. Every walking moment, the eyes are working to see the world around us. Over forty percent of Americans worry about losing eyesight, but it's easy to include steps into our daily life to ensure healthy eyes. Here are five suggestions for a lifetime of healthy eyesight:
Schedule yearly exams.
25. Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check. The good news is that millions of children now can have yearly eye exams and following treatment, including eyeglasses.
Protect against UV rays .
Long-term stay in the sun creates risk to your eyes. No matter what the season is, it’s extremely important to wear sunglasses. 26. Give your eyes a break.
Two-thirds of Americans spend up to seven hours a day using computers or other digital products. 27. Experts recommend that people practice the 20/20/20 rule: every 20 minutes, take a 20-second break and look at something 20 feet away.
28..
As part of a healthy diet, eat more fruits and vegetables each day. Vitamins C and E help protect eyesight and promote eye health.
Practice safe wear and care of contact lenses.
Many Americans use contact lenses to improve their eyesight. While some follow the medical guidance for wearing contact lenses, many are breaking the rules and putting their eyesight at risk. 29.
Otherwise: you may have problems such as red eyes, pain in the eyes, or a more serious condition.
A.Eat your greens.
B.Eye care should begin early in life.
C.They can properly protect your eyes.
D.Stay in good shape by taking more vitamins.
E.Parents usually don’t care about their own eyesight.
F.Always follow the doctor’s advice for appropriate wear.
G.This frequent eye activity increases the risk for eye tiredness.
答案与解析
一、1.C
【解析】考查非谓语动词。句意：他起晚了，没有吃早饭就匆忙赶往办公室。he与leave是主谓关系，即他让......处于某种状态，应该用现在分词表伴随状况，排除A、B；“hurried”和“leaving”两个动作是同时发生的，当两个动作有时间先后关系时，需要使用现在分词的完成式，排除D；leave the breakfast untouched没有动早餐，故选C。
2.B
【解析】
试题分析：本题考查非谓语，是这个概念的内容本身包含，用现在分词做定语，所以排除 A 和 D，而这个概念现在本身就包含，所以排除表示将来的C，所以答案为B。
3.A
【解析】考查非谓语动词。句意：Tina以前在这家自助餐厅吃过饭，所以不想再去那里吃了。分析句子结构可知，________ at the cafeteria before是原因状语，Tina和“吃”之间是主动关系，用现在分词，且eat这个动作发生在句子动作之前，故要用现在分词的完成式。故选A。
4.A
【解析】考查非谓语动词。句意：已经花完了几乎所有的钱，我们无法支付住宾馆的费用。动词不定式表将来和目的，根据句意可知，“花钱”的动作发生在过去，排除B、D；过去分词表完成和被动，we与spend是主谓关系，应该用现在分词，排除C；当两个动作有先后关系时，用现在分词的完成式，现在分词的完成式在本句相当于because we have spent nearly all our money，表原因。故选A。
5.D
【解析】考查非谓语动词。句意：工作了两天，Steve成功的按时完成了他的报告。句中的逻辑主语为Steve，与work之间为主动关系，故用现在分词，这里用having worked，表示动作的先后性。故选D。
6.D
【解析】考查非谓语动词。句意：那天我早到了办公室，因为赶上了7:30那趟来自帕丁顿的火车。分析句子可知，catch用非谓语动词形式，catch发生在got之前，应该用完成式，与主语I是主动关系，用现在分词的完成时，having caught表示原因，相当于because引导的原因状语从句。故选D。
7.A
【解析】考查非谓语动词。句意：迫于父母的压力，男孩意识到自己浪费了太多的时间，决定停止玩电脑游戏。首先要弄清楚本句中的and连接的成分是非谓语动词做状语，主语the boy与press是被动关系，但是与realize是主动，所以是现在分词做状语。故选A。
8.A
【解析】考查非谓语动词。句意：昨晚7点开始的讲座之后是用望远镜观察月球。 start与逻辑主语the lecture之间为主动关系，故排除B、D两项。不定式作定语时，常表示动作尚未发生，故排除C项，此处用现在分词作后置定语，表示主动。故选A。
9.B
【解析】试题分析：考查非谓语动词。句意：根据感情而不是理智作重要决定的话，你迟早会后悔的。you与base之间是逻辑上的主谓关系，表示主动，用现在分词作状语，故选B。
10.A
【解析】考查非谓语动词。句意：中国修建了越来越多的高速公路，人们更加方便从一个地点到另外一个地点。空格后面是it，说明是主动关系，排除B；不能选择C的原因是to do作目的状语，不符合句意；根据句意可知，此处是现在分词做结果状语。故选A。
11.B
【解析】考查非谓语动词。句意是：有人看见骑车很不熟练的我姐姐正坐在自行车上尽力的想保持平衡。分析句子可知，try做宾语补足语，根据句意可知，表示正在进行的动作用现在分词作宾语补足语，故选B。
12.B
【解析】考查非谓语动词。句意：一家小型飞机撞上了距离城市东部五英里的一个山腰，机上四人全部丧生。Plane与kill是主谓关系，应该使用现在分词表示主动，并作伴随状语。故选B。
13.D
【解析】考查非谓语动词。句意：他被告知了很多次后，终于明白了这件事。tell这个动作发生在主句谓语动词understand的前面，存在逻辑上的先后关系，同时与逻辑主语I又是被动，故选D
14.C
【解析】考查非谓语动词。句意：象古代的水手，鸟能利用太阳和星辰来找到他们的路。谓语动词是can find，故use用非谓动词作伴随状语，与逻辑主语birds是主动关系，用现在分词做伴随状语，根据句意，use这一动作与谓语动词动作同时，用现在分词的一般式。故选C。
15.C
【解析】考查非谓语动词。句意：最近几年，一个叫做infosphere的英语单词出现了，结合了“信息”和“气氛”这两个单词。这里的结合与前面新出现的单词的关系是主动的，用现在分词。所以故选C。
16.C
【解析】考查非谓语动词。句意：公园里挤满了人，在阳光下尽情享受。enjoy和前面没有连接词，和句子主语之间是主动关系，所以用现在分词做伴随状语。故选C。
17.A
【解析】考查非谓语动词。句意：门上钉着一张纸条，写着这家商店什么时候再营业。在这个句子中note和say是主动关系，所以要用现在分词的一般式做伴随状语，表主动、进行。故选A。
18.B
【解析】考查非谓语动词。句意：没有比背躺在草地中间，盯着夜空更快乐的事情了。句中的动词stare的逻辑主语是隐含主语I，两者之间为主动关系，应用现在分词的一般式做伴随状语，表示主动、进行。故选B。
19.C
【解析】考查非谓语动词。句意：由于Linda过去几年在香港作交换留学生，所以她看起来比她的实际年龄更成熟。 “花费”和其逻辑主语“Linda”之间是主动关系，故用现在分词作原因状语。且“花费”的动作明显早于“看起来成熟”这个动作。表示发生在谓语动作之前的动作，用现在分词的完成时。故选C项。
20.B
【解析】考查非谓语动词。句意：现在比以前有有更多的飞机运送乘客。此处airplane和carry之间是主动关系，应用现在分词作定语，表主动。故选B。
考点：考查现在分词作定语
二、【答案】21.A 22.A 23.D 24.C
【解析】本文是一篇说明文。文章讲述了现代药物技术的进步对人的寿命的影响。
21.细节理解题。根据第一段“Today’s leading killers, such as heart disease, cancer, and aging itself, will become distant memories.”可知导致人类死亡的主要原因是疾病和衰老。故选A。
22.推理判断题。根据第二段“But the change in medicine can be the real technological event of our times.( 但医学上的变化可能是我们这个时代真正的技术事件。)”可以推断出，医药的改变是我们这个时代发展最大的技术。故选A。
23.细节理解题。根据第二段“But the upper limits will be broken by new medicine...medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs.”可知医药将能够修复人的器官使人活得更长。故选D。
24.细节理解题。根据最后一段“but many technical problems still must be cleared up on the way to this wonderful future.( 但在通向这一美好未来的道路上，仍有许多技术问题需要解决。)”可知还有很多技术问题需要解决，才能实现(延长人类生命的目的)。故选C。
三、【答案】25.B 26. C 27. G28.A 29.F
【解析】这是一篇说明文。文章通过给出五个建议，描述如何拥有健康的视力。
25.由空格处后的句子Experts advise parents to bring babies 6 to 12 months of age to the doctor for a careful check.可知，专家建议父母们应在孩子6到12月时就应带他们去医生那里做一个仔细的检查。选项B：眼睛护理应开始于早期。前后句呼应，故选B项。
26.空格上一句No matter what the season is, it’s extremely important to wear sunglasses.提到，无论什么季节，戴太阳镜都很重要。选项C：他们可以适当保护你的眼睛。they指代太阳镜，前后呼应，故选C项。
27.空格上一句Two-thirds of Americans spend up to seven hours a day using computers or other digital products.提到，三分之二的美国人每天花费七个小时使用电脑或是电子产品。选项G：这些频繁的用眼活动增加了眼睛疲劳的风险。前后呼应，故选G项。
28.由空格处下一段As part of a healthy diet, eat more fruits and vegetables each day. Vitamins C and E help protect eyesight and promote eye health.可知，保护视力要多吃蔬菜和水果，里面的维生素对眼睛有好处。与选项A：吃青菜，前后内容呼应，故选A项。
29.空格前面的内容提到，美国人戴隐形眼镜来提高视力，空格后面Otherwise: you may have problems such as red eyes, pain in the eyes, or a more serious condition.否则，你可能会有红眼病，眼痛或是更多严重的眼睛问题。选项F：为了佩戴舒适，要遵从医生的建议，使空格前后内容衔接自然，故选F项。
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