阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
In the race to document the species on Earth before they go extinct, researchers and citizen scientists have collected billions of records. Today, most records of biodiversity are often in the form of photos, videos, and other digital records. Though they are useful for detecting shifts in the number and variety of species in an area, a new Stanford study has found that this type of record is not perfect.
“With the rise of technology it is easy for people to make observations of different species with the aid of a mobile application,” said Barnabas Daru, who is lead author of the study and assistant professor of biology in the Stanford School of Humanities and Sciences. “These observations now outnumber the primary data that comes from physical specimens（标本）, and since we are increasingly using observational data to investigate how species are responding to global change, I wanted to know: Are they usable?”
Using a global dataset of 1.9 billion records of plants, insects, birds, and animals, Daru and his team tested how well these data represent actual global biodiversity patterns.
“We were particularly interested in exploring the aspects of sampling that tend to bias（使有偏差）data, like the greater likelihood of a citizen scientist to take a picture of a flowering plant instead of the grass right next to it,” said Daru.
Their study revealed that the large number of observation-only records did not lead to better global coverage. Moreover, these data are biased and favor certain regions, time periods, and species. This makes sense because the people who get observational biodiversity data on mobile devices are often citizen scientists recording their encounters with species in areas nearby. These data are also biased toward certain species with attractive or eye-catching features.
What can we do with the imperfect datasets of biodiversity?
“Quite a lot,” Daru explained. “Biodiversity apps can use our study results to inform users of oversampled areas and lead them to places — and even species — that are not well-sampled. To improve the quality of observational data, biodiversity apps can also encourage users to have an expert confirm the identification of their uploaded image.”
（1）What do we know about the records of species collected now?
| A． |
They are becoming outdated. |
B． |
They are mostly in electronic form. |
| C． |
They are limited in number. |
D． |
They are used for public exhibition. |
（2）What does Daru’s study focus on?
| A． |
Threatened species. |
B． |
Physical specimens. |
| C． |
Observational data. |
D． |
Mobile applications. |
（3）What has led to the biases according to the study?
| A． |
Mistakes in data analysis. |
B． |
Poor quality of uploaded pictures. |
| C． |
Improper way of sampling. |
D． |
Unreliable data collection devices. |
（4）What is Daru’s suggestion for biodiversity apps?
| A． |
Review data from certain areas. |
B． |
Hire experts to check the records. |
| C． |
Confirm the identity of the users. |
D． |
Give guidance to citizen scientists. |
My mother is the only living person who has never communicated via email or text. She has never turned on a computer, registered an email account, used data storage media or searched the Internet. Since 1955, she has settled in Silicon Valley, married to an extremely technical specialist in applied physics and engineering, designing photometric systems for NASA. Only when Dad suffered from cancer could we convince her she needed a cell phone. Mom’s being separated from the information age is voluntary and deliberate.
Mom is still that farm girl, and she takes the most pride in it. She sees her neighbor and her community “real”. She shows no interest in the digital and virtual life. My mother saw Depression, World War II and the beginning of the Cold War before reaching voting age. She enjoyed country music on “The Sons of the Pioneers”, a Canadian broadcast. The battery was so precious a resource that radio was limited to the barn because Grandma thought it helped cows produce milk. In the age when Churchill moved millions for the first time with radio broadcasts, she only experienced live media monthly, if at all.
In her early twenties, Mom completed nurses’ training and worked in that field before marriage, family and church became her life’s concerns. She never really warmed up to television, though I think she appreciated a few of the series we watched, comedies like All in the Family. Computers, the Internet and mobile apps are simply not part of her experience.
Mom disagrees with the opinion that technology simplifies life. In her life, she sees online records, email and paperless systems as mysteries in which no written reference can assist her.
However, I can partly understand: I like such kind of experience and relationship one has with physical books. I am a child of television who only recently switched to online viewing. I’ve written down my awkward, love-hate relationship with my devices. Mom’s technophobia surely played a role here, but it works for her. She’s happiest as she is.The author’s mother began to use mobile phone when.
| A．she found it hard to contact with her husband |
| B．she settled in Silicon Valley for fifty years |
| C．she got marred to a technical specialist |
| D．her husband suffered from cancer |
What is the author’s mother most proud of according to the passage?
| A．Having so many close neighbors. |
| B．Experiencing too much all her life. |
| C．Living simply and in her own style. |
| D．Being involved in modern technology. |
What is the author’s attitude towards his mother’s such kind of experience?
| A．Critical. | B．Positive. |
| C．Neutral. | D．Negative. |
It is implied in the underlined sentence that.
| A．the author should make efforts to learn from his mother |
| B．the author prefers watching movies online to watching TV |
| C．Mom’s attitude towards technology has an effect on the author |
| D．Mom should also set down the relationship with physical books |
Many Americans concerned about pollution are demanding cleaner supplies of energy. The demand has resulted in increased research about ethanol fuel. Ethanol is an alcohol that can be mixed with gas. It burns up most of the pollutants in gas. It replaces some of the chemicals that are known to cause cancer, and it can be produced in the United States.
Some experts say that in the future ethanol will replace some of the oil imported into America. Today ethanol is less than one percent of total American fuel supply. The head of the National Corn Growers Association, Kieve Hard, says ethanol will provide twenty-five percent of the fuel supply by 2030. The organization is involved in the production of ethanol because it can be made from corn.
One company in the American Midwest says it is starting to produce ethanol because of demands from people and from the government. The Congress approved the Clean Air Act in 1990. The company says this means the market for ethanol will expand. The company is a major producer of corn starch that can be used to make ethanol.
At Texas A and M University Professor Mark Holzapple produces ethanol from materials found in solid waste. He has developed a way to turn materials like paper into simple sugar. He then uses yeast to turn the sugar into ethanol. Professor Holzapple says two hundred liters of ethanol fuel can be produced from one ton of solid waste.
A professor at the University of Arkansas, John Geddie, is exploring another way to make ethanol. He is using acids on paper material. He says a large factory could produce ethanol from waste paper at a cost about the same as the cost of producing gasoline.
Environmentalists support the use of ethanol because it turns solid waste into a useful product. Professor Holzapple says law makers in industrial nations need to support the development of this clean, less expensive fuel of the future.Why does the interest in ethanol fuel increase in the United States according to the passage?
| A．Ethanol products are known to cause cancer. |
| B．Ethanol can remove some harmful pollutants from gas. |
| C．The production of ethanol is protected by law. |
| D．Ethanol-fueled automobiles are cheaper than gas-fueled ones. |
In this passage, what is the significance of the Clean Air Act passed by American Congress in 1990?
| A．It will increase the consumers’ demand for ethanol as a fuel. |
| B．It may increase the cost of producing gas. |
| C．It reflects the view of the government on automobiles production. |
| D．It limits the ethanol production of one company in the American Midwest. |
The author mentions all of the following resources for making ethanol except____.
| A．corn starch | B．natural gas |
| C．waste paper | D．solid waste |
What does Professor Mark Holzapple think of the development of ethanol in countries?
| A．It needs the cooperation of many chemists. |
| B．It associates with the use of advanced equipment. |
| C．It will improve the use of heat from exhaust gases. |
| D．It requires the support of the government. |
How can you help kids cope with stress? Proper rest and good nutrition can improve coping skills, so can good parenting. Make time for your kids each day. Whether they need to talk with you or just be in the same room with you, make yourself available.
Even as kids get older, quality time is important. It’s really hard for some people to come home after a tiring day of work, get down on the floor, and play with their kids or just talk to them about their day -- especially if they’ve had a stressful day themselves. But expressing interest in your kids shows that they’ re important to you.
Help your child deal with stress by talking about what may be causing it. Together, you can come up with a few solutions. For example, he should cut back on after-school activities, spending more time talking with his parents or teachers, developing an exercise plan or keeping a journal.
You can also help by predicting potentially stressful situations and preparing kids for them. For example, let a child know ahead of time, but not too far ahead of time, that a doctor’s appointment is coming up and talk about what will happen there. Keep in mind, though, that younger kids probably won’t need too much advance preparation. Too much information can cause more stress.
Remember that some level of stress is normal. Let kids know that it’s OK to feel angry, scared, lonely, or anxious and that other people share those feelings, too.
When kids can’t or won’t discuss these problems, try talking about your own concerns. This shows that you’re willing to handle tough topics and are available to talk with when they’re ready. If a child shows symptoms that concern you and is unwilling to talk, consult a counselor or other mental health experts.
Most parents have the skills to cope with their children’s stress. The time to seek professional attention is when any change in behavior continues to exist, when stress is causing serious anxiety, or when the behavior is causing significant problems in functioning at school or at home.What is the purpose of the text?
| A．To share the author’s ideas on proper parenting. |
| B．To persuade parents to spend more time with their kids. |
| C．To advise parents how to help their kids deal with stress. |
| D．To seek different ways to help solve kids’ problems. |
Why do some parents feel it difficult to spare quality time for their kids?
| A．Their kids are growing so fast. |
| B．They have too much housework. |
| C．Their kids are losing interest in them. |
| D．They are tired out after work. |
What can we learn from the text?
| A．Normal people share the same feelings. |
| B．It is normal for kids to have some stress. |
| C．Kids should get rid of the negative feelings. |
| D．Everybody feels angry, scared, lonely or anxious. |
John Milton, the most learned poet, is the greatest writer of the seventeenth century and one of the giants of English literature as a whole. He was greatly influenced by two historical movements of Renaissance and Reformation. Like Spenser and Shakespeare, he was also one of the Renaissance giants not only in England but also in the whole world. Almost all later poets in English literature respected Milton highly. Milton towers over his age as Shakespeare towers over the Elizabethan age, and as Chaucer towers over the medieval period.
John Milton was born in London in 1608. His education began at St. Paul’s School, where he was very hard-working, where he showed wonderful gifts as a student of languages mastering Greek, Latin, Hebrew and many modem European languages. He also received very good home education under the influence of his father who was a Puritan (清教徒) and a lover of music and literature. He attended Christ’s College, Cambridge University, where he was very popular because of his handsomeness and talent, where he explained the true aim of knowledge as making the spirit of man “reach out far and wide, until it fills the whole world and the space far beyond with the expansion of its greatness”, where he graduated with B.A. in 1962 and M. A. in 1963. According to the passage, which of the following is NOT true?
| A．John Milton was a most learned poet. |
| B．John Milton was one of the giants of English literature. |
| C．Spenser and Shakespeare were the Renaissance giants in England. |
| D．Spenser, Shakespeare and John Milton had the friendly relationship between them. |
The underlined word “towers” in the first paragraph most probably means “_________”.
| A．likes to visit towers |
| B．looks like a tall building |
| C．builds a tall building like a tower |
| D．is better than others in ability and quality |
What was Milton’s opinion to the true aim of knowledge?
| A．To think about what we don’t know. |
| B．To research the whole world and space. |
| C．To make the spirit of man reach out far and wide with the expansion of the greatness of knowledge. |
| D．To make the character of man strong and great. |
Every New Year brings renewed(更新的) expectation for a change, for a better life and for a better you. That’s a wonderful thing, because this fresh start gives us a chance to reinvent our lives and ourselves. Here’s how.
Let go
Many times we are held back by our previous failures,emotions and barriers(障碍). This is all old baggage. Let everything unhappy from the past go. Let go of failures. Let go of fears you’ve built up. Let go of your ideas about what your life has to be like. Let go of long-held beliefs and habits which seem to be burdens(负担) to you.
Clear away distractions(分心)
Clear away email, your favourite blogs and news websites. Clearaway the iPhone or Blackberry, and clear away all the chores that pull at your attention. In fact, if you can, shut off the Internet for a while. You can come back to it after you take a break.
Decide what matters most today
Forget about your goals for all of this year. Instead, decide what you want to do today. What matters most to you and your life? What are you most passionate(热情的) about right now? What excites you? What gives you the most fulfillment(满足感)? Often the answer would be in creating something, making something new, helping others, becoming a better person, and working on a project that you will be proud of. But whatever your answer, have it clear in your mind at the beginning of the day.
Reinvent yourself every day
Every day, you are reborn.Reinvent yourself and your life. Do what matters most to you. It might be the same thing that mattered most yesterday, or it might not be. That isn’t important. What’s important is today---right now! Be passionate, and be happy!
You’ll have a fresh start every single day---not just on January 1 of a new year.Writing this passage, the author seems to be ________.
| A．strict | B．peaceful | C．nervous | D．confident |
The underlined word “chores” refers to ______.
| A．modern technology | B．unimportant things |
| C．online information | D．fashinable devices |
Which of the following is the writer’s suggestion according to the passage?
| A．Stopping using hi-tech devices to avoid troubles in your life. |
| B．Seizing the moment, but not to make a plan for the far future. |
| C．Forgetting everything about and from the past |
| D．Making yourself a person reborn every day. |
The most suitable title for the passage is “ ________”.
| A．Work Effectively in a New Year |
| B．Reduce Stress in a New Year |
| C．Freshen the Start of Every New Day |
| D．Live a Better Life in Every New Day |