You may have heard adults say they are uncomfortable in the morning without a cup of coffee. One reason they may feel that way is that coffee contains caffeine(咖啡因). Caffeine occurs naturally in coffee, tea, and cocoa beans, which are used to make chocolate. But now food makers are adding it to many products, from potato chips to water.
The US government is especially worried about the problem. That’s why the Food and Drug Administration (FDA) is studying the health effects of caffeine on young people. Studies show that too much caffeine can make people nervous and unable to sleep. What’s more, caffeine is habit-forming. Those who consume it regularly and stop suddenly may experience headaches and feel tired.
One of the biggest concerns is the large amount of caffeine added to so-called energy drinks, like Red Bull. A 12-ounce can of cola has about 35 milligrams of caffeine. A similar serving of Red Bull contains more than three times that amount.
The Institute of Medicine is also working on caffeine-safety measures. “Teenagers should not drink beverages that contain caffeine. They should be aware of caffeine’s effects on health and on how the brain works. Take, for example, teenagers who consume caffeine to stay awake and study for a test. They will remember less of what they just studied,” said Stallings, a member of the institute.
Companies that make products with added caffeine claim they do not advertise them to kids. However, there is no law to stop children from buying them. So the FDA needs to set limits on caffeine, especially in energy drinks. As for added caffeine in foods, the government should just say no. If not, the amount of caffeine should be printed on food labels to remind consumers. The government must do that.
Doctors say kids should avoid caffeine. If you need extra energy, try these natural boosters: eat right, exercise, and get plenty of sleep.
1.What is the US government particularly concerned about?
A. The fact that coffee contains caffeine.
B. The measures of avoiding caffeine’s effects.
C. The practice of adding caffeine to foods.
D. The practice of using caffeine to make chocolate.
2.Red Bull is listed in the third paragraph as an example of _____.
A. drinks which contain much caffeine
B. caffeine’s effects on health
C. teenagers’ addiction to caffeine
D. people’s concern about teenagers’ health
3.Paragraph 5 is mainly about _____.
A. the process of the government’s controlling the use of caffeine
B. the measures of protecting teenagers from caffeine’s effects
C. the government’s responsibility of taking care of teenagers
D. the risk of buying products containing caffeine nowadays
4.The author may agree that _______.
A. getting enough sleep can make people energetic
B. headaches and feeling tired are common in teenagers
C. food makers don’t add much caffeine to many products now
D. caffeine is good and useful for teenagers’ study
高一英语阅读理解中等难度题
You may have heard adults say they are uncomfortable in the morning without a cup of coffee. One reason they may feel that way is that coffee contains caffeine(咖啡因). Caffeine appears naturally in coffee, tea, and cocoa beans, which are used to make chocolate. But now food makers are adding it to many products, from potato chips to water.
The US government is especially worried about the problem. That’s why the Food and Drug Administration (FDA) is studying the health effects of caffeine on young people. Studies show that too much caffeine can make people nervous and unable to sleep. What’s more, caffeine is habit-forming. Those who consume it regularly and stop suddenly may experience headaches and feel tired.
One of the biggest concerns is the large amount of caffeine added to so-called energy drinks, like Red Bull. A 12-ounce can of cola has about 35 milligrams of caffeine. A similar serving of Red Bull contains more than three times that amount.
The Institute of Medicine is also working on caffeine-safety measures. “Teenagers should not drink beverages that contain caffeine. They should be aware of caffeine’s effects on health and on how the brain works. Take, for example, teenagers who consume caffeine to stay awake and study for a test. They will remember less of what they just studied,” said Stallings, a member of the institute.
Companies that make products with added caffeine claim they do not advertise them to kids. However, there is no law to stop children from buying them. So the FDA needs to set limits on caffeine, especially in energy drinks. As for added caffeine in foods, the government should just say no. If not, the amount of caffeine should be printed on food labels to remind consumers. The government must do that.
Doctors say kids should avoid caffeine. If you need extra energy, try these natural boosters: eat right, exercise, and get plenty of sleep.
1.What is the US government particularly concerned about?
A. The fact that coffee contains caffeine.
B. The practice of adding caffeine to foods.
C. The measures of avoiding caffeine’s effects.
D. The practice of using caffeine to make chocolate.
2.Red Bull is listed in the third paragraph as an example of _____.
A. caffeine’s effects on health
B. teenagers’ addiction to caffeine
C. drinks which contain much caffeine
D. people’s concern about teenagers’ health
3.Paragraph 5 is mainly about _____.
A. the measures of protecting teenagers from caffeine’s effects
B. the process of the government’s controlling the use of caffeine
C. the government’s responsibility of taking care of teenagers
D. the risk of buying products containing caffeine nowadays
4.The author may agree that _______.
A. headaches and feeling tired are common in teenagers
B. food makers don’t add much caffeine to many products now
C. caffeine is good and useful for teenagers’ study
D. getting enough sleep can make people energetic
高一英语阅读理解中等难度题查看答案及解析
You may have heard adults say they are uncomfortable in the morning without a cup of coffee. One reason they may feel that way is that coffee contains caffeine(咖啡因). Caffeine occurs naturally in coffee, tea, and cocoa beans, which are used to make chocolate. But now food makers are adding it to many products, from potato chips to water.
The US government is especially worried about the problem. That’s why the Food and Drug Administration (FDA) is studying the health effects of caffeine on young people. Studies show that too much caffeine can make people nervous and unable to sleep. What’s more, caffeine is habit-forming. Those who consume it regularly and stop suddenly may experience headaches and feel tired.
One of the biggest concerns is the large amount of caffeine added to so-called energy drinks, like Red Bull. A 12-ounce can of cola has about 35 milligrams of caffeine. A similar serving of Red Bull contains more than three times that amount.
The Institute of Medicine is also working on caffeine-safety measures. “Teenagers should not drink beverages that contain caffeine. They should be aware of caffeine’s effects on health and on how the brain works. Take, for example, teenagers who consume caffeine to stay awake and study for a test. They will remember less of what they just studied,” said Stallings, a member of the institute.
Companies that make products with added caffeine claim they do not advertise them to kids. However, there is no law to stop children from buying them. So the FDA needs to set limits on caffeine, especially in energy drinks. As for added caffeine in foods, the government should just say no. If not, the amount of caffeine should be printed on food labels to remind consumers. The government must do that.
Doctors say kids should avoid caffeine. If you need extra energy, try these natural boosters: eat right, exercise, and get plenty of sleep.
1.What is the US government particularly concerned about?
A. The fact that coffee contains caffeine.
B. The measures of avoiding caffeine’s effects.
C. The practice of adding caffeine to foods.
D. The practice of using caffeine to make chocolate.
2.Red Bull is listed in the third paragraph as an example of _____.
A. drinks which contain much caffeine
B. caffeine’s effects on health
C. teenagers’ addiction to caffeine
D. people’s concern about teenagers’ health
3.Paragraph 5 is mainly about _____.
A. the process of the government’s controlling the use of caffeine
B. the measures of protecting teenagers from caffeine’s effects
C. the government’s responsibility of taking care of teenagers
D. the risk of buying products containing caffeine nowadays
4.The author may agree that _______.
A. getting enough sleep can make people energetic
B. headaches and feeling tired are common in teenagers
C. food makers don’t add much caffeine to many products now
D. caffeine is good and useful for teenagers’ study
高一英语阅读理解中等难度题查看答案及解析
You have probably heard the saying,"When life gives you lemons, make lemonade." Since lemons are considered bitter and lemonade is considered sweet, the saying tells you to make the best out of a bad Situation.
Unfortunately, when something bad happens, it's not uncommon for most people to talk about it to anyone who'll listen, and complain about life, "Why me?" That's like getting a bag of lemons, putting them down, and thinking, "Lemons taste bad! I'd rather have chocolate!" If you don't make anything with the lemons, they will go bad. But what if you did something with them? What if you made lemonade? Isn't it possible to do something similar with a bad situation?
Here's an example. Let's say you're about to go to the movies, but you discover you have a flat tire (瘪胎). You consider this a terrible thing. After all, you are really looking forward to spending some time with Ryan Gosling and Emma Stone. Now you're all stressed out, hating the tire, the car, and your life. But what if you called AAA, got your tire fixed or got caught up on things that you'd been meaning to do? What if you did some reading, or had coffee with a friend instead? A negative experience can be turned into something positive. Almost anything can work itself out into something better. You can't change what has happened, right? So make the best of it. I'm not saying it will be easy. The easy thing to do is complain about your bad situation and not consider what it could be turned into.
Next time when some unfortunate things happen, stop and think, "How can I tum this around? How can I make it a positive experience? You needn't fear difficulties. As long as you keep on changing it, you will see the benefits (好处) at last.
1.What do we know about the saying in paragraph 1?
A.It is encouraging. B.It is funny.
C.It is easy to do. D.It is negative.
2.What do most people usually do when something bad happens?
A.Accept it. B.Find out the reasons.
C.Complain about it. D.Ask others for help.
3.The author uses the example of seeing a movie to tell us_______.
A.a flat tire happens sometimes
B.it doesn't matter to make mistakes
C.meeting film stars is a very exciting thing
D.how to tum something bad into something good
4.According to the author, what is the best way to deal with a bad situation?
A.Trying hard to solve it.
B.Laughing your way through it.
C.Thinking more about its benefits.
D.Turning it into a positive experience actively.
高一英语阅读理解困难题查看答案及解析
Have you ever heard of the saying, “If you want a friend, be !” What does it ? There are many different things that you can do to friends. You may find out what they are if you someone make friends.
Here is one new teacher made friends with the in her class on the first day of the school. When the bell , the teacher smiled at all the students. Then she said, “Good morning. How nice it is to have all of you my class this year! I want to each of you very much.. I’m sure we will enjoy working together.”
The teacher smiled, used a pleasant and acted a friendly way. She told the students her and wrote it on the blackboard. Then she told them something she liked to and hoped to do with them during the year. The students knew that she liked many of the same things they liked. Everyone felt that she what she said. Each of them wanted to know her and be her friend. Then she let the students tell something about . So they felt that the teacher knew them. Could you make friends as the teacher ?
How do you know and like your classmates? One is to find out more about them. During the you can talk to them. You may ask them their names and the names of the schools they went to last year. They want to know about you, too. You may tell them about your interests or your holiday experiences. It is often easy to be friends with people who have interests and play the same games. As you talk, the others may be thinking, “I like to do. It should be fun to be friends with you.” Remember! Just talking together in a friendly way is one good way to make friends.
1.A.one B. it C. that D. careful
2.A. show B. want C. have D. mean
3.A. meet B. make C. have D. get
4.A. look B. hear C. listen D. watch
5.A. what B. why C. how D. when
6.A. teachers B. students C. workmates D. parents
7.A. sang B. got C. rang D. spoke
8.A. in B. on C. with D. about
9.A. teach B. know C. learn D. like
10.A. sound B. sentence C. phrase D. voice
11.A. on B. by C. in D. to
12.A. family B. father C. work D. name
13.A. do B. eat C. get D. play
14.A. meant B. liked C. was D. forgot
15.A. much B. better C. enough D. still
16.A. themselves B. their parents C. the teacher D. the school
17.A. was B. did C. got D. saw
18.A. way B. day C. teacher D. class
19.A. break B. class C. teaching D. day
20.A. no B. different C. many D. the same
高一英语完型填空中等难度题查看答案及解析
Have you ever heard such stories about those loyal dogs ____ in this book?
A.as they are described B.that they are described
C.as are described D.that are described
高一英语单项填空困难题查看答案及解析
What would you do if you were left_______in the wild? You may have read_________heard about people who survived under seemingly_______conditions. These people have been able to survive_______ concentrating on three basic needs: water, food and shelter.
Water is one of the few things necessary to make life_______ , but fresh water may be difficult_______. Water can be made_______by boiling it for three to five minutes. If there is a _______of water, do not tire yourself too much. Tiredness will cause you to sweat too much, and your body will be short of salt.
Food is_______necessity if you are lost for a longer period of time. Some people have got over their__________by eating animals that are easy to catch. Plants,__________, should not be eaten unless you are sure they are eatable. Nuts are easy to__________and offer you energy. You can also eat__________tree bark (tree bark is the covering of a tree).
__________from extreme temperatures is another concern. In heavy snow, you can stay under plants__________shelter, using leaves or grass to keep yourself__________. When it is extremely hot, you can__________ a small cave at the base of a thick evergreen tree, __________ use tree branches to keep the cave cool.
Remaining calm is extremely important in any dangerous situation.__________with a plan and don’ t waste time or energy by getting worried.
By focusing __________ these things, you can turn yourself into a survivor.
1.A.lonely B.unique C.alone D.special
2.A.or B.and C.otherwise D.but
3.A.unnecessary B.impossible C.unimportant D.uncertain
4.A.through B.in C.about D.by
5.A.stay B.keep C.continue D.remain
6.A.to achieve B.to find C.to arrive D.to have
7.A.clean B.dirty C.clear D.warm
8.A.storage B.supply C.donation D.shortage
9.A.another B.other C.some D.one
10.A.thirst B.tiredness C.hunger D.scare
11.A.moreover B.therefore C.besides D.however
12.A.recognise B.take C.eat D.find
13.A.outside B.inner C.deep D.empty
14.A.Prevention B.Observation C.Protection D.Safety
15.A.for B.in C.with D.through
16.A.warm B.cool C.comfortable D.relaxed
17.A.form B.live C.survive D.create
18.A.so B.and C.therefore D.but
19.A.Come into B.Come out C.Come across D.Come up
20.A.in B.for C.on D.after
高一英语完形填空中等难度题查看答案及解析
We have all heard of superfoods whether it is from articles or in the news. But what are they? 1. Superfoods are things you eat that do more than satisfy your hunger because they help your body work better. Think of your body as a car. The better the gas you put in your car, the better it will run. 2.
As the saying goes, "You are what you eat." This is very true because if you are eating foods that are full of fat, your body will most likely show it. On the other hand, if you are eating energy-filled foods, your body will show that as well.
3. They are filled with fiber (纤维), proteins, and important nutrients that are easily used by the body. To become a superfood officially, a food has to meet three requirements. First, it must be available (可获得的) to everyone. Second, it must contain nutrients that help you live longer. 4.
Eating superfoods can change your life in many ways. Not surprisingly, people who start eating them lose weight quickly. One reason for this is that many superfoods are naturally low in calories (卡路里). 5. With most diets, people concentrate on what shouldn't be eaten. With superfoods, they focus on all the great things they can eat. There are other benefits to adding them to your diet as well. Eating superfoods over time helps keep you looking young, fights heart disease and cures some cancers.
A.Some of the top superfoods are berries, nuts, and whole grains.
B.Our bodies are just the same.
C.Another reason is that sticking to eating them is very easy.
D.This is a good question with a simple answer.
E.Getting a wide variety of foods, superfood included, is the better solution.
F.Lastly, its health benefits must be proven by scientific studies.
G.If you want to start adding superfoods to your diet, do it at your own pace.
高一英语七选五中等难度题查看答案及解析
If you live in the country or have ever visited there, ______ are that you have heard birds singing to welcome the new day.
A. situations B. facts C. chances D. possibilities
高一英语单项填空中等难度题查看答案及解析
If you live in the countryside , ____ are that you have heard birds singing to welcome the new day.
A. situations B. facts C. chances D. possibilities
高一英语单项填空简单题查看答案及解析
33. Once ____you may feel uncomfortable.
A. in space B. in the space C. at space D. at the space
高一英语单项填空简单题查看答案及解析