The world’s insects are hurtling down the path to extinction, threatening a “catastrophic collapse of nature’s ecosystems”, according to the first global scientific review. More than 40% of insect species are declining and a third are endangered, the analysis found. The rate of extinction is eight times faster than that of mammals, birds and reptiles.
“It should be of huge concern to all of us, for insects are at the heart of every food web, they pollinate the large majority of plant species, keep the soil healthy, recycle nutrients, control pests, and much more. Love them or loathe them, we humans cannot survive without insects, ” said Prof Dave Goulson at the University of Sussex in the UK.
The analysis, published in the journal Biological Conservation, says intensive agriculture is the main driver of the declines, particularly the heavy use of pesticides. Urbanization and climate change are also significant factors.
One of the biggest impacts of insect loss is on the many birds, reptiles, amphibians and fish that eat insects. A small number of adaptable species are increasing in number, but not nearly enough to outweigh the big losses.
Matt Shardlow, at the conservation charity Buglife, said: “It is gravely sobering to see this collation of evidence that demonstrates the pitiful state of the world’s insect populations. It is increasingly obvious that the planet’s ecology is breaking and there is a need for an intense and global effort to stop and reverse these dreadful trends.”
1.What does “are hurtling down ”underlined mean?
A. To climb very slow in a straight direction
B. To move very fast in a particular direction.
C. To become lower in value or level quickly
D. To speed up suddenly in a particular direction
2.According to the passage what caused the declines of the insects EXCEPT?
A. Intensive agriculture
B. Urbanization
C. Climate change
D. Pests control.
3.In paragraph 4, the author wants to stress the decline of insects
A. by giving the examples
B. by making the comparison
C. by giving the definition.
D. by making the explanation
4.What is the main idea of the text?
A. Sharply decreasing insects numbers threaten damage of nature.
B. The impacts will be brought by the insect loss.
C. The effective measures are taken to stop the scary trends.
D. The leading factors cause insects decline
Children are starting on digital devices at ever younger ages, and opinions on the effects of children's digital-media habits are deeply polarised.(两极分化的).
Jean Twenge, a psychology professor, thinks excessive use of the internet and social media makes children lonely and depressed and poses serious risks to their physical and particularly their mental health, sometimes to the point of driving them to suicide.
However, Daniel Kardefelt-Winther of the Innocenti research office of Unicef examined various evidence and found less cause for alarm than is often suggested.Most of the studies he examined seem to show that the technology helps children stay in touch with their friends and make new ones.
The relationship between the use of digital technology and children's mental health, broadly speaking, appears to be u-shaped.Researchers have found that moderate use is beneficial, whereas either no use at all or extreme use could be harmful.
What worries some experts more is that screens are becoming part of the middle-class armoury( 武器 ) for perpetuating( 巩固 ) social advantage.Children from well-off homes are enrolled in private classes to learn skills like "How to be a YouTuber", which poorer parents cannot afford.
1.What is the second paragraph mainly about?
A. The disadvantages of overusing digital media.
B. The bad effects of using digital media.
C. Several bad impacts of using digital media.
D. The advantages of overusing digital media.
2.What is Daniel Kardefelt-Winther’s attitude to the use of digital media?
A. Objective B. Favorable
C. Indifferent D. Uncertain
3.What can you infer from the last paragraph?
A. Not all Children from rich homes can attend private classes
B. Not all Children from poor homes can learn skills like“how to be a YouTuber”.
C. Digital media is the only way of strengthening the middle-class.
D. Digital media can widen class gap.
4.What is the best title for the text?
A. Should children interact with digital media ?
B. Should parents allow their children interact with digital media?
C. What children do to interact with digital devices.
D. How children interact with digital devices.
You can tell a lot about a country by what's on its television sets. Britain's TV screens are completely steeped in class, and have long been so.
From laughing at poor people in reality shows to laughing at posh people in Downton Abbey, this is how Britain likes to unwind in the evening: by laughing at other classes, and laughing at people for laughing about class.
Like it or loathe it, many see the class system as a quite essential element of British life, together with our obsession for tea and cake and talking about the weather.
Whether you are a lord, a lady, or just the king of your own middle class kingdom, everyone in the UK fits into the class system. How the class system works is a hard question even for a British person to answer.
There are four main groups in the British class system: lower, working, middle and upper class. Although recently the BBC has tried to confuse everyone even more by adding three more categories.
The British are very aware of class; it is often said that we have an in-built 'class radar'; we pick up on subtle social clues which indicate which class a person comes from. Class is not just about your job, where you live and how much you earn. It's about who you are.
1.According to the passage ,what Britain are not likely to talk about?
A. Weather B. Class
C. Jokes D. Tea and cake
2.How many class categories are there according to BBC?
A. Five B. Three
C. Seven D. Four
3.Why Britain are so obsessed with class?
A. Because many see the class system as a typical part of British life.
B. Because class is about who you are.
C. Because how the class system works is a hard question even for a British person to answer.
D. Because there are different groups in the British class system.
First aid is defined as the emergency care given to a sick or injured person.The goals of first aid are to prevent death and to prevent injuries from becoming worse.Each emergency condition is different.However, the following rules apply to any kind of emergency.
*Be aware of your limitations.Do not try to do more than you are able to.Nor should you do things if you are unfamiliar with them.Do what you can under the conditions at the time.
*Stay calm.Acting calmly will help the victim feel safe.
*Take a quick look to see if the victim is bleeding, and if there is a pulse.
*Keep the victim lying down and do not move him or her.You could make an injury worse if you move the victim.
*Call for help or ask someone to make the EMS system (急救系统) start.
*Keep the victim warm.Cover the victim with a blanket.Coats and sweaters can be used if a blanket can not be found.
*Reassure ( 使…… 安心) the victim.Explain what is happening and that help has been called.
*Do not give the victim any food or fruits.
*Keep the bystanders (旁观者) away from the victim.Bystanders want to have a look，offer advice，and say something about the victim's condition.The victim may believe that the condition is worse than it really is.
1.The main idea of the text is to tell ．
A. how to save a person
B. what to do when an accident happens
C. how to call for help
D. how to give first aid
2.The most important purpose of first aid is ．
A. to help the victim stay in a safe place
B. to keep the injured person calm
C. to stop death and to prevent injuries from becoming worse
D. to see if the injured person is still living
3.The purpose of keeping the bystanders away from the victim is: ．
A. not to kill the patients
B. not so many people are needed
C. the more people,the more bacteria
D. do not let too many bystanders around to interrupt the victim.
4.Which of the following is not correct? ．
A. Do what you can and call for help at once.
B. Stay calm and look at the condition carefully.
C. Keep the victim warm by giving the victim some hot water.
D. Have the patients sent to the nearest hospital
假定你是李华，作为交换生在澳大利亚一所学校交流学习。现在你即将回国，要作为学生代表在欢送会上发言，请按照下列要点写一篇发言稿：
1、表示感谢；
2、学习收获与感受；
3、表达祝愿。
注意：1、词数100次左右；
2、可以适当增加细节，以使行文连贯。
Dear teachers and friends,
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours truly,
Li Hua
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文，文中共有 10 处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删改或修改。
增加：在缺词处加一个漏字符号（Λ），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改 10 处，多者（从第 11 处起）不计分。
My friend Tom has benefited great from humour. He is kind but overweight, that brings him a lot of problems. Once one of my classmates laugh at him, “why are you so fat?” We all stopped to stare at Tom, wonder how he would answer the question. She just said in a calm voice, “Well, because of my size must be large enough to hold my large heart of love.”After hearing his word, we all burst into laughter. Not only does Tom take the joke,but he also managed to cope with the embarrassed situation.What important part humor plays in our daily life!
