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Today our class has a discussion on if people should eat green food. Different people have different opinion about it.

Some students believed people should eat green food, since the environment isn’t polluted in the process of production. Also, it is produced without harm chemicals, making it safe to eat. Therefore, other students think people shouldn’t eat green food, since it is many more expensive. What’s more, most green food is only being sold in big supermarkets, making it inconvenient to buy.

On my opinion, people should eat green food if they think they can afford buy it. Why should they want to risk make themselves sick?

上一题 下一题 0.99难度 短文改错 更新时间:2019-07-13 02:54:02

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同类题4

   You wouldn't think of driving your car to work in the morning with an empty tank of gas, yet thousands of parents send their children off to school without any breakfast.

"After an overnight fast of eight to twelve hours, the brain needs fuel, "said Joan Carter, manager for the Children's Nutrition Research Center in Houston.

The body breaks down food to produce this fuel in the form of glucose(葡萄糖). Because glucose levels are associated with memory function, children can have difficulty focusing when they skip breakfast. Research shows that breakfast eaters tend to pay more attention to their teacher in class than those who rarely eat breakfast.

They tend to be more creative and better performers in school. They show more energy by late morning, have more strength and endurance, concentrate better, and are better at problem-solving. Children who are hungry can be slow or nervous during classroom activities or can appear disinterested when they have a difficult task to perform.

Researchers have also discovered that students who eat breakfast regularly tend to have better health overall.

They take in more vitamins and minerals, consume less fat and cholesterol(胆固醇), and may even have less chance of becoming overweight than breakfast-skippers. Without breakfast, it's difficult for children to get the nutrients they need throughout the day. Research shows that nutrients missed at breakfast aren't made up for at other meals.

"Breakfast is the most important meal of the day and there's no excuse for not eating breakfast," Dr. Carter said. A piece of bread and a glass of milk take little time to prepare. If you are trying to lose weight, skipping breakfast is also a big mistake. You will be tired and hungry by mid-morning. Then you'll want to eat a snack that isn't healthy.

Breakfast should provide at least 1/4 to 1/3 of a child's daily needs for vitamins, minerals and calories. A nutritious breakfast also provides the sugar, protein and fat they need because they are continuously growing and changing. Parents should set a good example for children. "You can't run out the door without eating breakfast, yet insist that your kids sit down and eat something," Dr. Carter said.

【小题1】What can be inferred from the passage?
A.The brain cannot work properly at school without breakfast.
B.Breakfast-skippers are able to focus better because of hunger.
C.Hunger makes it difficult for the body to break down the food.
D.Breakfast eaters have a tendency to ignore their teachers in class.
【小题2】What is the fourth paragraph mainly about?
A.The importance of body shaping.
B.The relationship between breakfast and health.
C.The importance of getting enough nutrients for children.
D.The relationship between breakfast and school performance.
【小题3】Why is it wrong for the dieters to skip breakfast?
A.It leaves them short of energy to exercise all day.
B.It results in a lack of necessary nutrients they need.
C.It makes them have difficulty in performing well.
D.It contributes to more snack-consuming.
【小题4】How should parents teach children to have breakfast?
A.By eating breakfast regularly.
B.By preparing generous breakfast.
C.By running out without breakfast.
D.By giving them extra money for breakfast.

同类题5

“The U.S.Food and Drug Administration(FDA)is considering to put stricter limits over tanning salons(晒黑廊)and wants to ban anyone younger than 18 years of age from using a tanning bed,”an advisory panel(专家团)announced last week.
The panel is calling for tighter controls on the industry such as requiring teenagers to get the approval from their parents before using tanning beds or limiting the use of artificial tanning to a certain age.“Given the absence of any demonstrated benefits,I think it is an obligation for us to ban artificial tanning for those under 18,”said panelist Dr.Michael Olding.
Along with a possible ban for teenagers,the panel also recommended that visible warning labels should be placed either on the tanning machines or in the salons in order to caution tanners of the possible dangers.In addition,the committee decided that stricter regulations and classifications were critical to make the machines safer.At this time the machines are categorized as FDA Class 1 devices,the ones that are least likely to cause harm.In case the FDA decided to change their classification from Class 1 to Class 2,as advised by the panel,the FDA could limit the levels of radiation the machines emit.Class 2 devices include X­ray machines and powered wheelchairs.
Getting a tan,whether from a tanning bed or the sun,increases the risk of developing skin cancer.Last year,the World Health Organization's International Agency for Research on Cancer (IARC)declared tanning beds as “carcinogenic(致癌的)to humans”.It was discovered that young individuals in their teens and 20s who use tanning beds on a regular basis have a 75 per cent higher risk of suffering from melanoma(黑素瘤),the deadliest form of skin cancer.According to the American Cancer Society,melanoma accounted for nearly 69,000 cases of skin cancer in 2009 and will account for most (about 8,650)of the 11,590 mortality cases due to skin cancer each year.
【小题1】According to the passage,what measures will U.S.FDA most probably take?
A.Banning tanning salons.
B.Posing heavier tax over tanning salons.
C.Having tighter controls over tanning salons.
D.Limiting the number of tanning salons in every state.
【小题2】Which of the following suggestions for making tanning salons safer is NOT mentioned?
A.Visible caution.
B.Setting age limit.
C.Professional personnel.
D.Parental approval for teenagers.
【小题3】What does the writer want to express in the last paragraph?
A.Tanning in one's youth may mean death.
B.Tanning in the sun is safer than on the tanning bed.
C.People should get tanned without getting melanoma.
D.Getting tanned is only a good idea for those above thirty years old.
【小题4】What will most probably happen,if the advisory panel's suggestions are adopted and put into practice?
A.Fewer people will suffer from skin cancer.
B.Tanning salons will have more customers.
C.Getting a tan in a tanning salon will cost less.
D.Parents will be more anxious about their tanning children.