2017高考全国卷I答案？2017年普通高等学校招生全国统一考试理科综合能力测试相对原子质量：H1C12N14O16S32Cl35.5K39Ti48Fe56I127一、选择题：本题共13个小题，每小题6分，共78分。在每小题给出的四个选项中，只有一项是符合题目要求的。那么，2017高考全国卷I答案？一起来了解一下吧。
2017年高考英语阅读理解训练及参考答案
阅读能力的提高是一个渐进的过程，任何人都不要奢望自己的阅读能力能在一朝一夕之间就达到高超的水平。为了帮老烂助大家提高英语阅读能力，我整理了一些高考英语阅读理解试题，希望能帮到大家!
第二部分阅读理解(共两节，满分40分)
第一节
阅读迟宏下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该侍旦漏项涂黑。
A
For a long time being happy was considered something that just happened, and there was nothing special about it. Now we know that getting along with other people is something that we can work at. It is possible to act in such a way that other people will like us better. One way is being unselfish, not wanting everything from our friends. Another way is to look for good points, not bad ones in other people. It is surprising how successful this treasure hunt can be. You don’t have to be spineless(没有骨气的.) in order to be popular. In fact, you will be liked and respected if you are not afraid to stand up for your rights. But do it politely and pleasantly. Being friendly and polite to your group, to other people and to strangers and especially to those who do not look important or do not interest you is one way to develop a good character. You can not expect to be perfect, and you must learn not to be unhappy when you make mistakes. Everyone makes mistakes, and no one is to be blamed unless he refuses to learn from them. Many young people become discouraged when they know in themselves qualities that they do not like—selfishness, laziness, and other unpleasant qualities. Just remember that we all have some of these faults and have to fight against them. At the same time, it is important to remember that, while you are probably no worse than others, the best way to be happy is to think yourself above other people. When something is wrong, it is good sense to try to make it right. Perhaps you don’t like a teacher or a classmate. Try to see why and look at yourself, too, to be sure that you are not doing anything to make that person dislike you. Some day, things may turn out all right and then you will have to learn to get along the best with situation, without thinking too much about it. Worrying never helps in a situation you can’t change. 21. According to the passage, if one wants to be popular he has to _____. A. be polite and friendlyB. give up some rights C. avoid arguing with other peopleD. be ready to change his or her character 22.The passage shows that there is no perfect person but everyone should be blamed if he _____. A. is no better than others B. is selfish and lazy C. does not draw a lesson from his own fault D. is very happy about his unpleasant quality .The passage implies that in order to be a happy person, one should consider oneself _____. A. no better than others B. not the same as others C. as having something better than others D. as having better chances than others .The purpose for the writer to write the passage is to _____. A. train you to be perfect B. show you the way to be happy C. tell you how to act when you dislike a person D. teach you how to be popular among your friends
Do you want to go out of town for a bit of rest and relaxation? Before you start packing, visit these best travel sites for vacationers. In my opinion, they help people deal with common problems that pop up during a trip.
Oyster
Based on the advertised photos, the hotel you are considering appears to be clean and modern. Take a second look through the eyes of Oyster. Their representatives inspect resort areas and post the real images uncovering marketing lies. You see ACTUAL pictures of the rooms, attractions and beautiful beaches.
Skyscanner.net
Are you planning to travel on a budget? Discover the best deals for flights, hotels and car rentals at Skyscanner.net. They offer reasonable and comprehensive travel comparison. The best part is that their services are free. You don’t have to sign up, provide personal information or go through a social network.
Virtualtourist
Chat with someone other than a travel agent about a location. At Virtualtourist, fellow travelers and locals talk about their experiences in specific areas. This site is set up like a forum(论坛), so you can ask questions and get answers in the comfort of your own home. Find out where to eat, play and get pleasure in a place without getting food poison or robbed by criminals.
Travel.state.gov
Unfortunately, Americans get into trouble abroad sometimes. Prepare for possible emergencies by visiting Travel.state.gov. There, the Bureau of Consular Affairs offers advice on how to handle the bad things that happen to good people in other countries. You learn what to do in the case of child abduction(绑架), a lost passport and illness. In addition, these officials post travel warnings regarding dangerous regions and why foreigners should avoid them.
Are you ready to do your homework? Prepare for your departure by checking out these best travel sites for vacationers. Learn what you need to know now before walking out of the door.
25. What is the characteristic of Oyster?
A. It offers you a lot of travel information.
B. It tells tourists where the cheap hotels are.
C. The photos on the site are really reliable.
D. The representatives of Oyster are enthusiastic.
26. What is the biggest benefit of your visiting Skyscanner.net?
A. You can accept their services for free.
B. You can book the most modern hotels.
C. You can make many friends through the social network.
D. You can find the cheapest tour description and direction.
27. We can learn from this passage that _____.
A. Virtualtourist gives you a chance to chat with a travel agent
B. you’ll get answers to your travel questions at Virtualtourist
C. the Bureau of Consular Affairs is in charge of Travel.state.gov
D. if you lose your passport you’ll get help from Virtualtourist
C
Teamwork is all about working together to achieve a common goal or purpose. Is teamwork out of date?Why is it so hard to effectively conduct teamwork in those days?
One way we employ teamwork in everyday lives is by becoming a parent. It is parents’ job to teach their children the basic skills and give them the knowledge they need to be successful in life. This，to me，requires teamwork. For example，the mother teaches her children manners and good health skills，while the father teaches them how to catch a ball or drive a car. However，in today’s society，we find that more and more parents are feeling that this teamwork is a one-sided thing. According to a report，there are 13.7 million single parents raising their children in the US and this could be due to the fact that parents don’t take responsibility for their children，so they leave one parent to do it alone. This is a sad fact，and it reflects that effective teamwork is losing ground in the parenting aspect of our everyday lives.
Another place where teamwork affects us greatly is in our jobs. It doesn’t matter if you have a small company or a large company：if you have at least one employee and yourself，then teamwork works. I have noticed that with the current economic recession(衰退)，people are racing to grab jobs but the quality of people’s work has gone down greatly. It just appears to me that people do not take pride in their work any more. They get to work as fast as they can，just to receive the paycheck，but their quality standards fly right out of the windows. So I think teamwork is losing ground in the workforce.
As you can see，we run into the aspects of teamwork in just about everything we do. Do you believe teamwork is really losing ground in today’s society?I think it is.
28.Why does teamwork disappear in the parenting aspect of our daily life?
A.Parents have no time to spare for their children.
B.Parents have no chances to teach their children about it.
C.Many children are often brought up by a single parent.
D.Many children are independent to deal with their matters.
29.Teamwork is losing ground in the workforce mainly because .
A.workers don’t like to work together with others
B.workers’ sense is affected by economic recession
C.workers want to prove they are more capable
D.fewer workers are employed to save money
30.The author wants us to believe his opinion by .
A.listing some data
B.giving some examples
C.asking some questions
D.analyzing some cases
31.The underlined phrase “fly right out of the windows” in Paragraph 3 means “ ”.
A.disappear B.Improve C.increase D.matter
D
Around four years ago，I received a call from the principal of our school as to the “Parents View” talk the next morning. He asked me to speak to the group. After the call，my whole body became feverish and panicky. The time from his call to the next morning seemed like years. The whole night，I could not sleep with many ominous apprehensions in mind. One of them was to call the principal with regret and tell him that I could not come. Finally，I gathered some courage. I thought，“If I miss this opportunity，surely the school will never invite me again to any of their programs.”
I reached the school in time. Before my turn came，my whole body was trembling. When my turn came and I started speaking，my heartbeat increased and my mouth went dry. I wasn’t even able to read the written speech properly. I was not aware of where I was standing and what I was reading. That was the day when I realized my biggest weakness：Public Speaking.
After my speech，I met with the principal and explained what happened to me. He told me that this happens to everyone. Even great speakers faced the same things when they started. He suggested that I come again next time.
Around one month later，I was invited to refer to a topic on motivation. This time I was feeling comfortable. My speech was appreciated by the principal as well as the teachers，because I was able to get my idea across to them. They encouraged me and praised my efforts.
After delivering it successfully，I became more confident. I said to myself，“If I can speak in front of such a learned audience，like the principal who educates others，I can now speak in front of others too.”
I started delivering lectures on various topics like Self Motivation，Personality Development，Personal Excellence，Spoken English and Presentation Skills. This has become a passion for me. I have learned that everything is possible if we have the courage to take the first step.
32.Which of the following is the best title for the passage?
A.Practice Makes a Man a Better Speechmaker
B.Public Speaking Makes a Man Embarrassed
C.Principals Provide the Best Chances
D.Spoken English Develops in Making Speeches
33.The author had bad feelings before the speech because .
A.he disliked the idea of giving a lecture
B.he had got a high fever before that
C.he regretted accepting the invitation
D.he feared he couldn’t perform it properly
34.What does the underlined part “ominous apprehensions” in the first paragraph mean?
A.Unlucky opportunities. B.Negative ideas.
C.Curious views. D.Happy comments.
35.What can we conclude from the passage?
A.Nothing is to be got without pains but poverty.
B.Knowledge makes humble;ignorance makes proud.
C.A journey of a thousand miles begins with a single step.
D.Necessity is the mother of invention.
第二节;
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项是多余项。
生物答案试题解析（参考版）
一、选择题
1．下列关于真核细胞中转录的叙述，错误的是
A．tRNA、rRNA和mRNA都从DNA转录而来
B．同一细胞中两种RNA和合成有可能同时发生
C．细胞中的RNA合成过程不会在细胞核外发生
D．转录出的RNA链与模板链的相应区域碱基互补
【答案】C
【解析】真核细胞的线粒体和叶绿体中也会发生RNA的合成。
2．下列与细胞相关的叙述，错误的是
A．动物体内的激素可以参与细胞间的信息传递
B．叶肉细胞中光合作用的暗反应发生在叶绿体基质中
C．癌细胞是动物凳察碰体内具有自养能力并快速增殖的细胞
D．细胞凋亡是由基因决定的细胞自动结束生命的过程
【答案】C
【解析】癌细胞需要从它生存的环境中获取自身增殖所需要的营养物质，属于异养型。
3．植物光合作用的作用光谱是通过测量光合作用对不同波长光的反应（如O2的释放）来绘制的。下列叙述错误的是
A．类胡萝卜素在红光区吸收的光能可用于光反应中ATP的合成
B．叶绿素的吸收光谱可通过测量其对不同波长光的吸收值来绘制
C．光合作用的作用光谱也可用CO2的吸收速率随光波长的变化来表示
D．叶片在640~660nm波长光下释放O2是由叶绿素参与光合作用引起的
【答案】A
【解析】类胡萝卜素只能吸收蓝紫光。
the world of a man’s life is, for the most part, but the world of his thoughts. Thus the best
I work with Volunteers for Wildlife, a rescue and education organization at Bailey Arboretum in LocustValley. Trying to help injured, displaced or sick creatures can be heartbreaking; survival is never certain. However, when it works, it is simply beautiful.
我在“野生动物志愿者”组织工作，这是蝗虫谷贝利植物园的一个援救教育组织，帮助受伤、流离失所或生病的动物。这样的工作可能会令人心碎；因为无法确定动物是否能活下来。然而，当救援起作用时，这种感觉真的很棒！
I got a rescue call from a woman in Muttontown. She had found a young owl on the ground. When I arrived, I saw a 2-to 3-week-old owl. It had already been placed in a carrier for safety.
我接到马特顿镇一位女士的求救电话，她在地上发现了一只猫头鹰幼余尘鸟。
f'(x)=2ax+(2-a)-1/x
=(2ax^2+(2-a)x-1)/x
=(2x-1)(ax+1)/x
a>1
令f'(x)>=0
x<=-1/a或x>=1/段拿态2
定义域是x>0
∴x>=1/2
增区间是[1/2,+∞),减区间是(0,1/2]
当1/a>=1/2时
f(x)在区间[1/a,1]内的最大值
=f(1)
=a+2-a-0
=2不是ln3
∴握源1/a<1/2
a>2
f(x)在区间[1/a,1]内的最大值
=f(1/敏坦a)
=a*1/a^2+(2-a)/a-ln(1/a)
=1/a+2/a-1+lna
=3/a-1+lna
=ln3
∴a=3符合a>2
综上a=3
如果您认可我的回答，请点击“为满意答案”,祝学习进步！
以上就是2017高考全国卷I答案的全部内容，a>2 f(x)在区间[1/a,1]内的最大值 =f(1/a)=a*1/a^2+(2-a)/a-ln(1/a)=1/a+2/a-1+lna =3/a-1+lna =ln3 ∴a=3符合a>2 综上a=3 如果您认可我的回答，请点击“为满意答案”,祝学习进步！。
