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题型:阅读理解-阅读单选 难度:0.65 引用次数:108 题号:6466616

Calorie(卡路里)counts are everywhere. They appear on restaurant menus, milk boxes and bags of baby carrots. Grocery stores display lots of foods packaged with bright and colorful “low-calorie” claims.

A calorie is the measure of stored energy in something---energy that can be released as heat when burned. The term calorie on food labels is short for kilocalorie. A kilocalorie is the amount of energy it takes to raise the temperature of one kilogram of water by 1 degree Celsius. But what does boiling water have to do with your body’s release of energy from food? After all, your body doesn’t start boiling after eating. It does, however, chemically break down food into sugars. The body then releases the energy to fuel processes and activities throughout each hour of the day.

Food contains three main types of nutrients that deliver energy: fats, proteins and carbs(碳水化合物). A process called metabolism(新陈代谢) first cuts these into small pieces; Proteins break down into amino acids(氨基酸), fats into fatty acids and carbs into simple sugars. Then, the body uses oxygen to break down these materials to release heat.

Most of this energy goes toward powering the heart, lungs, brain and other vital processes. Exercise and other activities also use energy. If energy-rich nutrients aren’t used right away, your body will hoard them---first in the liver(肝脏), and then later as body fat.

In general, someone should eat the same amount of energy each day as his or her body will use. If the balance is off, they will win lose or gain weight. It’s very easy to eat more calories than the body needs. Having two 200-calorie donuts in addition to regular meals could easily put teens over their daily needs. At the same time, it’s nearly impossible to balance overeating with extra exercise. Running a mile burns just 100 calories. Knowing how many calories are in the food we eat can help keep the energy in and out balanced.

1. How much energy does it need to lift the temperature of 5 kilograms of water by 10 degree Celsius?
A.One kilocalorie.B.Five kilocalories.
C.Ten kilocalories.D.Fifty kilocalories.
2. What is Paragraph 3 mainly about?
A.How the nutrients are classified.
B.How oxygen works in human body.
C.How the food types affect metabolism.
D.How the body gets heat from nutrients.
3. What does the underlined word “hoard” in Paragraph 4 mean?
A.Store.B.Remove.
C.Replace.D.Burn.
4. What can we learn from the last paragraph?
A.It is good for our health to do exercises.
B.It’s really difficult to control our weight.
C.It is important to control the calories we take.
D.It is good for our body to eat the same type of nutrients.
17-18高二下·辽宁鞍山·期中 查看更多[2]

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阅读理解-阅读单选(约250词) | 适中 (0.65)

【推荐1】The Chinese and Western eating habits are different. In the west, everyone has his or her own plate of food. In China,the dishes are placed on the table and everybody shares. It is always polite to let guests or elderly people at the table taste every dish first.

Though there are no strict rules on how to set chopsticks and spoons,there are some things you should never do during a Chinese dinner.

Firstly,and the most importantly, don’t put your chopsticks upright in the rice bowl. The reason for this is that when people die, family members give them a bowl of rice with a pair of chopsticks upright. So if you put your chopsticks in the rice bowl like that, it seems you want someone at the table to die.

Make sure the spout (喷口) of the teapot is not facing anyone as this is impolite. The spout should always face where nobody is sitting. Don’t knock on your bowl with your chopsticks. Beggars knock on their bowls, so this is not polite, especially when you eat in a friend’s home.

Though young children are not allowed to drink any wine, you can still say “Ganbei” and drink to the health of your grandparents and parents. This is sure to please them.

1. Who should eat first at the Chinese table according to the passage?
A.Children.B.Women.
C.Men and the hosts.D.Guests and elderly people.
2. What will people think if you put your chopsticks upright in the rice bowl in Chinese culture?
A.You don’t like the food.
B.You want someone at the table to die.
C.You are full and don’t want to eat anymore.
D.You want all the people at the table to live a long life.
3. Which of the following is polite in Chinese culture?
A.Make the spout of the teapot face someone.
B.Taste every dish immediately when it is served.
C.Drink to the health of elderly people.
D.Knock on your bowl at the table.
4. The passage is mainly about ______.
A.table manners in ChinaB.Western eating habits
C.Chinese foodD.Chinese culture
2021-11-22更新 | 30次组卷
阅读理解-阅读单选(约350词) | 适中 (0.65)
名校
文章大意:本文是说明文。文章介绍了中国人为什么爱吃火锅,除了火锅本身很美味之外,还是一种社会氛围。作者用欣赏的文笔给读者描写了火锅给生活带来的满足感。

【推荐2】Why do Chinese people love hot pot so much? As the winter months are coming in, more and more people are sitting around a table enjoying this kind of traditional meal. I find myself wondering what it is about this traditional meal, which has existed for more than 1,000 years. What makes it a Chinese food favorite? It seems that the answer lies beyond the dish itself.

Hot pot isn’t just designed to keep you warm during the cold months; it’s also a social experience. It’s a “theater” cooked food that turns a meal into an event. There is a lot of fun for everyone to have in adding some foods to the hot pot.

Hot pot is eaten over two to three hours. For this reason, it is often considered an evening’s entertainment, and a time to spend with friends and families. However, many Westerners would be unhappy by the idea of other people sticking chopsticks in their food. When we come to eat at the table in the UK, we often have our own shares, although the experience is still a social one.

A similar experience to the hot pot can be found in Korean barbecue restaurants, which let you cook your own meat. This allows people to have their meat done however they want.

For most Westerners, the idea of going to a restaurant to cook their own food is very strange. But having a go, I find it’s now one of my favorite meals in Beijing. The steam from the pot left my clothes smelling of food when I got home, but perhaps this was also part of the experience. When the cold wind is blowing outside, I am sitting around with my good friends, eating and drinking. For me it’s like a dinner party where my taste buds(味蕾)and my appetite are equally satisfied in the warm company of friends.

1. What is the main reason why hot pot is popular in China?
A.It has a history of over 1,000 years.B.It serves people with many kinds of foods.
C.It is a fun social experience.D.It keeps people very warm in winter.
2. How long do people spend in enjoying the traditional meal?
A.More than four hours.B.Over one hour.
C.All the evening.D.About three hours.
3. We can conclude from the article that British people generally ______.
A.enjoy cooking their own food in restaurants
B.prefer a Korean barbecue to Chinese hot pot
C.don’t mind the smell of food staying on their clothes
D.don’t like sharing food with others in restaurants
4. What is the author’s attitude to hot pot?
A.Enjoyable.B.Tired.C.Humorous.D.Serious.
2022-04-21更新 | 92次组卷
阅读理解-阅读单选(约330词) | 适中 (0.65)
文章大意:本文是一篇说明文。文章主要介绍了法国人的饮食习惯。

【推荐3】Most French people eat dinner at 8 pm or later. Some French families, especially if they do not have young children, may start dinner as late as 9 pm or 9:30 pm. The first time I went to France, I was confused that my host family hadn’t had dinner by 7 pm yet. “Are they going to skip dinner?” I wondered.

It’s not clear to me why French people eat so late. Alysa Salzberg, a French writer, guesses that the later meal time develops from typical French working hours. “French people eat late because most standard job hours are 9 or 10 to 6 instead of 9 to 5,” Alysa explains. “So, by the time everyone gets home and a meal is prepared, it’s about 8 pm.”

French people usually eat a smaller dinner, such as soup or salad with bread and dessert. Considering French people famously don’t snack, they must survive a long break between lunch and dinner. The solution is that lunch is the biggest meal of the day. Americans and people from other countries may have a simple sandwich for lunch, but French lunches are typically more considerable. I remember having a huge lunch at the host school with other French students last month. The lunch came with salad, bread, a main dish, cheese and a yogurt. It seemed like too much food the first time I saw it.

In addition, French people never eat on the way. It’s unusual to see French people eating a cheeseburger from a McDonald’s while sitting in their cars. I don’t remember seeing French people eating while walking in the street or on the subway in Paris either. French people consider it important to sit down at a table to eat and even eat a hamburger with a knife and fork.

1. Why do the French eat dinner late in Alysa Salzberg’s opinion?
A.They have a big lunch.
B.Dinner is less important to them.
C.Dinner dishes take a long time to cook.
D.They get off work late.
2. What does the underlined word “considerable” in paragraph 3 mean?
A.simpleB.plentifulC.expensiveD.delicious
3. What can we learn from the last paragraph?
A.Cars play an important role in French life.
B.Fast food is not popular in France.
C.The French pay great attention to eating manners.
D.Eating in public places is not allowed in France.
4. What can we infer about the author?
A.He is an overseas student in France.
B.He enjoys French food very much.
C.He works as a magazine writer.
D.He agrees with the French way of life.
2023-07-20更新 | 48次组卷
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