When you work out a carbon footprint(碳足迹)，a lot of factors are taken into consideration. For example, driving to the grocery store bums a certain amount of fuel, and fossil fuels are the primary sources of greenhouse gases. But that grocery store is powered by electricity, and its employees probably drive to work, so the store has its own carbon footprint. In addition, the products that the store sells were all shipped there, so that must also be factored into the total carbon footprint. Beyond that, the fruits. Vegetables, and meats that the store sells were all grown or raised on farms-a process that produces methane(甲烷)，which has a greenhouse effect 25 times greater than CO. All of those elements must be combined to understand the full carbon footprint of a given activity.
Although adding up one's own carbon footprint can be difficult, online calculators can do some of the work for you,giving a rough estimate(估算)of your carbon footprint based on the size of your household, the efficiency of your machines, how much you drive or fly, what you eat, and how much you recycle
This isn't perfect, but it is a good way to measure your activities so you can know roughly how much CO2 they produce and take steps to reduce your carbon footprint.
Methods of reducing your carbon footprint include driving more efficient vehicles (or making sure that your current vehicles are properly maintained), taking public transportation, using energy efficient machines, building your home with special materials to reduce heating and air conditioning costs. consuming food that doesn't require as much transportation, and eating less meat which has a higher carbon footprint than fruits and vegetables. People and companies can also offset some of their CO2, emissions(排放)by purchasing carbon credits, the money from which can go into projects such as planting trees or investing in renewable energy.
1.By giving the example of the grocery store, the author wants to tell us that____
A.driving to the store burns a certain amount of fuel
B.the greenhouse effect of methane is greater than that of CO2
C.the fossil fuels are the primary sources of greenhouse gases
D.many factors need to be considered when figuring out a carbon footprint
2.Which of the following best explains the underlined word ''offset'' in the last paragraph?
A.make up for
B.make sense of
C.take control of
D.catch up with
3.The passage is mainly about____
A.whether it is possible to reduce the carbon footprint
B.what we can do to figure out the carbon footprint
C.how to estimate and reduce the carbon footprint
D.why we should reduce the carbon footprint
高一英语阅读理解困难题
When you work out a carbon footprint(碳足迹)，a lot of factors are taken into consideration. For example, driving to the grocery store bums a certain amount of fuel, and fossil fuels are the primary sources of greenhouse gases. But that grocery store is powered by electricity, and its employees probably drive to work, so the store has its own carbon footprint. In addition, the products that the store sells were all shipped there, so that must also be factored into the total carbon footprint. Beyond that, the fruits. Vegetables, and meats that the store sells were all grown or raised on farms-a process that produces methane(甲烷)，which has a greenhouse effect 25 times greater than CO. All of those elements must be combined to understand the full carbon footprint of a given activity.
Although adding up one's own carbon footprint can be difficult, online calculators can do some of the work for you,giving a rough estimate(估算)of your carbon footprint based on the size of your household, the efficiency of your machines, how much you drive or fly, what you eat, and how much you recycle
This isn't perfect, but it is a good way to measure your activities so you can know roughly how much CO2 they produce and take steps to reduce your carbon footprint.
Methods of reducing your carbon footprint include driving more efficient vehicles (or making sure that your current vehicles are properly maintained), taking public transportation, using energy efficient machines, building your home with special materials to reduce heating and air conditioning costs. consuming food that doesn't require as much transportation, and eating less meat which has a higher carbon footprint than fruits and vegetables. People and companies can also offset some of their CO2, emissions(排放)by purchasing carbon credits, the money from which can go into projects such as planting trees or investing in renewable energy.
1.By giving the example of the grocery store, the author wants to tell us that____
A.driving to the store burns a certain amount of fuel
B.the greenhouse effect of methane is greater than that of CO2
C.the fossil fuels are the primary sources of greenhouse gases
D.many factors need to be considered when figuring out a carbon footprint
2.Which of the following best explains the underlined word ''offset'' in the last paragraph?
A.make up for
B.make sense of
C.take control of
D.catch up with
3.The passage is mainly about____
A.whether it is possible to reduce the carbon footprint
B.what we can do to figure out the carbon footprint
C.how to estimate and reduce the carbon footprint
D.why we should reduce the carbon footprint
高一英语阅读理解困难题查看答案及解析
Do you know a lot of research work ＿＿ in recent years?
A. have been carried out B. has carried out
C. are carried out D. has been carried out
高一英语单项填空简单题查看答案及解析
So far we have done a lot to build a low-carbon economy, but it is ____ ideal (). We have to work still harder.
A. next to B. far from C. out of D. due to
高一英语单项填空中等难度题查看答案及解析
So far we have done a lot to build a low—carbon economy, but it is ____ideal. We have to work still harder.
A. far from B. next to C. out of D. due to
高一英语单项填空中等难度题查看答案及解析
Raising a baby takes a lot of work, especially when that baby is a king penguin. Now, it looks like climate change will make life even harder for these birds.
Most king penguins live on the Crozet Archipelago, a group of islands in the Indian Ocean, about 1，000 miles north of Antarctica. After the penguin chicks are born in November，which is summer in the Southern Hemisphere，both parents spend 4 months collecting fish to feed their offspring (后代)．
When the fish move to deeper waters in March, the adults swim hundreds of miles south. There, near the Antarctic ice, they spend the winter eating seafood to add to their own energy stores. In October, the parents return to their babies and finish raising them.
Scientists from France have been studying king penguins for a decade. Starting in 1998，Yvon Le Maho and his colleagues put electronic ID tags under the skin of hundreds of penguins. These are the same types of tags you might put in your dog or cat so that you can track them if they're lost. The tags have allowed researchers to get everything about penguins, such as how long they live, whether they return from their winter trips, and if their babies manage to survive the winter.
To see whether water temperatures affect the penguins, Le Maho compared his data with temperature records. Ocean surface temperatures vary from year to year. And previous research had shown that fewer fish and other creatures grow when the water is warmer. Le Maho suspected that this drop would make it harder for adult penguins to survive the hard times ahead. Indeed, his results showed that fewer adults survived during winters when the water was especially warm.
King penguins can live for up to 30 years. And for now, the population still appears healthy. But a warming trend could spell big trouble for a bird that depends on cold and ice.
1.What do adult penguins do in March?
A. They swim south to find food for their offspring.
B. They leave their offspring alone for months.
C. They take their offspring elsewhere to search for food.
D. They teach their offspring some living skills.
2.In the research, electronic ID tags were used to________．
A. help penguins recognize each other
B. help researchers tell one penguin from another
C. keep track of the details of the penguins
D. help researchers find the lost penguins
3.What attitude does the author hold towards the future of penguins?
A. Worried. B. Optimistic.
C. Indifferent. D. Satisfied.
4.What is the purpose of the passage?
A. To call on people to fight against global warming.
B. To call on people to protect the endangered penguins.
C. To tell global warming is threatening the survival of penguins.
D. To explain how global warming affects the life of sea animals.
高一英语阅读理解中等难度题查看答案及解析
When I was at University I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn’t do quite enough. Fred Baines was one of them. He spent more time playing than working in the library.
Once at the end of the term, we had to take an important test in chemistry. The test had a hundred questions. Beside each question we had to write “True” or “False”. While I was studying in my room the night before the test, Fred was watching TV. Fred usually worried a lot the night before a test. But on that night he looked perfectly calm. Thenhe told me of his plan. “It’s very simple. There are a hundred questions and I have to get fifty correct to pass the test. I’ll just toss（掷）the coin to decide the answers. That way, I’m sure I’ll get half the questions right.”
The next day, Fred came happily into the exam room. As he sat tossing a coin for half an hour he marked down his answers. Then he left, half an hour before the rest of us.
The next day, he saw the chemistry professor in the corridor. “Oh, good,” he said to the teacher, “Have you got the result of the test?” The teacher reached into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it.
“I’m terribly sorry, Fred,” he said, “You failed!”
1.This story mainly wants to tell us ________.
A．chemistry is really hard to learn
B．there are many questions for students to prepare.
C．good exam results really need studying hard
D．tossing a coin can not always decide the result
2.Fred Baines was one of those who ________.
A．did just enough to pass an exam
B．didn’t work hard enough for their studies
C．had more important work to do than study
D．were quite good at passing exams
3.Fred came happily into the exam room because ________.
A．he had got ready for the exam
B．he knew the answers already
C．one excellent student would help him
D．he had his special way to finish the exam
4.Which of the following about the chemistry exam is TRUE?
A．The chemisty exam was not very difficult at all.
B．It in fact took an hour to finish the chemisty exam
C．The chemisty exam had more than one hundred questions.
D．The chemisty exam needed to be done by tossing a coin.
5.The professor tossed a coin to tell Baines that ________.
A．he was satisfied with Baines’ way for the exam
B．he wanted to make friends with Baines
C．Baines’ way for the exam would never work
D．the exam result depended on the coin
高一英语阅读理解中等难度题查看答案及解析
When I was at university, I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn’t do quite enough. Fred Baines was one of them. He spent more time drinking in the Students’ Union than working in the library. Once, at the end of the term, we had to take an important test in chemistry. The test had a hundred questions. Beside each question we had to write “True” or “False”. While I was studying in my room the night before the test, Fred was watching television. Fred usually worried a lot the night before a test. But that night he looked perfectly calm. Then he told me of his plan. “It’s very simple. There are a hundred questions and I have to get fifty correct to pass the test. I’ll take a coin into the examination room. I haven’t studied a chemistry book for months, so I’ll just toss the coin. In that way, I’m sure I’ll get half the questions right.” The next day, Fred came cheerfully into the examination room. As he sat tossing a coin for half an hour he marked down his answers. Then he left half an hour before the rest of us. The next day, he saw the chemistry professor in the corridor.
“Oh good,” he said, “Have you got the results of the test?”
The professor looked at him and smiled.
“Ah, it’s you, Baines, just a minute.”
Then he reached into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it.
“I’m terribly sorry, Baines,” he said, “You failed!”
1. Fred often went to the Students’ Union where he ________ .
A. worked extra hours B. enjoyed himself in the bar
C. borrowed books D. attended a few lectures
2.This time Fred expected to get ________ .
A. an excellent mark B. a low mark C. his usual mark D. the pass mark
3.The chemistry professor ________ .
A. didn’t mark the test papers correctly
B. tossed a coin when he marked test papers
C. knew about Fred’s method
D. thought Fred’s method was good
4.According to the text, we can know working hard is ________ .
A. unnecessary B. valuable C. useless D. a waste
高一英语阅读理解中等难度题查看答案及解析
When I was at University I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn’t do quite enough. Fred Baines was one of them. He spent more time playing than working in the library.
Once at the end of the term, we had to take an important test in chemistry. The test had a hundred questions. Beside each question we had to write “True” or “False”. While I was studying in my room the night before the test, Fred was watching TV. Fred usually worried a lot the night before a test. But on that night he looked perfectly calm. Then he told me of his plan. “It’s very simple. There are a hundred questions and I have to get fifty correct to pass the test. I’ll just toss（掷）the coin to decide the answers. That way, I’m sure I’ll get half the questions right.”
The next day, Fred came happily into the exam room. As he sat tossing a coin for half an hour he marked down his answers. Then he left, half an hour before the rest of us.
The next day, he saw the chemistry professor in the corridor. “Oh, good,” he said to the teacher, “Have you got the result of the test?” The teacher reached into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it.
“I’m terribly sorry, Fred,” he said, “You failed!”
1.This story mainly wants to tell us .
A. chemistry is really hard to learn
B. there are many questions for students to prepare.
C. good exam results really need studying hard
D. tossing a coin can not always decide the result
2.Fred Baines was one of those who .
A. did just enough to pass an exam
B. didn’t work hard enough for their studies
C. had more important work to do than study
D. were quite good at passing exams
3. Fred came happily into the exam room because .
A. he had got ready for the exam
B. he knew the answers already
C. one excellent student would help him
D. he had his special way to finish the exam
4.Which of the following about the chemistry exam is TRUE?
A.The chemisty exam was not very difficult at all.
B. It in fact took an hour to finish the chemisty exam
C. The chemisty exam had more than one hundred questions.
D. The chemisty exam needed to be done by tossing a coin.
5.The professor tossed a coin to tell Baines that .
A. he was satisfied with Baines’ way for the exam
B. he wanted to make friends with Baines
C. Baines’ way for the exam would never work
D. the exam result depended on the coin
高一英语阅读理解中等难度题查看答案及解析
When people succeed,it is because of hard work,but luck has a lot to do with it.1.Napoleon once said all the hard work and talent in the world can't make up for bad luck.However,hard work can invite good luck.
When it comes to success,luck can mean being in the right place to meet someone.Nothing can replace hard work,but working hard also means you're preparing yourself for opportunity.2.
How many of the great inventions and discoveries came about through a lucky mistake or a lucky chance?One of the biggest lucky mistakes in history is Columbus' so-called discovery of America.He changed history,but he was really looking for India.3.It was backed up by years of studying and calculating.
Success comes from pure luck and no hard work can be a real problem.4.Imagine she's been picked from nowhere because of her looks.She is going to feel insecure,because she knows she didn't do anything to earn her stardom（演员身份）.On the other hand,think about an actress who's spent years learning and working.When she finally has good luck and becomes a success,she will handle stardom better.She knows she earns it.
5.When it comes to success,I think that hard work and luck go hand in hand.
A.Opportunity often depends on luck.
B.Luck is also important in people's life.
C.Success without some luck is almost impossible.
D.Hard work plays a very important part in success.
E.However,Columbus’ chance discovery wasn't pure luck.
F.For example,consider a teenage girl who becomes a movie star.
G.People who work hard help make their own luck by being ready when opportunity knocks.
高一英语七选五中等难度题查看答案及解析
Kathy ________ a lot of Chinese when she was working in Beijing during the summer vacation.
A. took up B. picked up C. brought up D. turned up
高一英语单项填空简单题查看答案及解析