题目内容

【题目】Cooking programs and classes for children seem to positively influence children's food preferences and behaviorsaccording to a recent reviewAndalthough the review didn't look at long-term effects of such programsthe findings suggest that such programs might help children develop long-lasting healthy habits

This research comes at a time when childhood obesity(肥胖) rates have been rising rapidlyMore than one-third of adolescents in the United States were obese in 2012according to the USCenters for Disease Control and Prevention (CDC)This trend has been causedat least in partby a significant decrease in the amount of meals that people consume at home since the 1980saccording to background information in the study

Cooking education programssuch as Food Explorersteach children about new healthy foods and how to prepare themThey also stress the importance of eating five fruits and vegetables every dayA volunteer parent explains a new food to the groupand the kids make something based on the lessonsuch as fruit or vegetable saladDepending on the programkids may be sent home with information about healthy foods to bring to their parentsthe review explained

The study team reviewed eight other studies that tested different types of cooking education programsChildren in these classes were between 5 and 12 years oldaccording to the reviewThe goal of the study team was to learn more about developing an efficient program to encourage healthy food choices that last a lifetimeThe study found that it is particularly important to expose kids to healthy foods on a number of occasionsThis makes them feel comfortable with the new foodswhich helps them build healthy habits

The study stressed the importance of getting parents involved in(参与) their children's eating habitsParents who are unable to enroll their kids in a cooking class can achieve similar benefits by having their kids help them while they prepare meals at homeChildren are more comfortable at homewhich makes them more receptive to new foods because they will make the connection to a positive experience

1What can we infer from the second paragraph?

A. Eating out frequently causes obesity

B. Childhood obesity is totally caused by eating habit

C. Childhood obesity rates have been rising rapidly since 2012

D. Food consumption has decreased significantly since the 1980s

2On cooking education programs________

A. children learn how to prepare foods from their parents

B. children will learn how to cook in the company of their parents

C. children may learn information unknown to their parents

D. children focus more on cooking skills than on information about healthy foods

3Which of the following is true according to the study?

A. Parents should let their kids cook independently at home

B. A greater willingness to try new foods helps building healthy habits

C. Children who participate in cooking programs are less likely to become obese

D. Children who take cooking courses are more likely to choose fruits and vegetables as adults

4Which of the following categories does this passage belong to?

A. Education Systems

B. Science and Technology

C. Parent-child Relationship

D. Public Health Research

5The purpose of the passage is _________

A. to inform the reader

B. to entertain the reader

C. to discuss with the reader

D. to warn the reader

【答案】

1A

2C

3B

4D

5A

【解析】

1A 推理判断题。根据第二段中This trend has been causedat least in partby a significant decrease in the amount of meals that people consume at home since the 1980s,可以判断是由于人们频繁在外面就餐的缘故造成了儿童的肥胖问题,选A

2C 细节理解题。根据第三段中Depending on the programkids may be sent home with information about healthy foods to bring to their parents,可知孩子通过烹饪学习可以了解一些父母所不知道的知识,选C

3B 细节理解题。根据文章第四段中最后两句话内容可知给孩子品尝多种食物的机会,可以有助于孩子健康习惯的养成,选B

4D推理判断题。本文讲述的是孩子肥胖和饮食问题,这都属于健康范畴,故判断选D

5A 目的意图题。文章介绍了最近的一项调查,发现参加烹饪课程可以对孩子饮食健康有积极的影响,由此判断文章目的只是给读者提供一些信息,选A

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【题目】Far from the land of Antarctica, a huge shelf of ice meets the ocean. At the underside of the shelf there lives a small fish, the Antarctic cod.

For forty years scientists have been curious about that fish. How does it live where most fish would freeze to death? It must have some secret. The Antarctic is not a comfortable place to work and research has been slow. Now it seems we have an answer.

Research was begun by cutting holes in the ice and catching the fish. Scientists studied the fish’s blood and measured its freezing point.

The fish were taken from seawater that had a temperature of -1.88°C and many tiny pieces of ice floating in it. The blood of the fish did not begin to freeze until its temperature was lowered to -2.05°C. That small difference is enough for the fish to live at the freezing temperature of the ice-salt mixture.

The scientists’ next research job was clear: Find out what in the fish’s blood kept it from freezing. Their search led to some really strange thing made up of a protein never before seen in the blood of a fish. When it was removed, the blood froze at seawater temperature. When it was put back, the blood again had its antifreeze quality and a lowered freezing point.

Study showed that it is an unusual kind of protein. It has many small sugar molecules (分子) held in special positions within each big protein molecule. Because of its sugar content, it is called a glycoprotein. So it has come to be called the antifreeze fish glycoprotein, or AFGP.

【1】Why can the Antarctic cod live at the freezing temperature?

A. The seawater has a temperature of -1.88°C.

B. It loves to live in the ice-salt mixture

C. A special protein keeps it from freezing.

D. Its blood has a temperature lower than -2.05°C.

2What does the underlined word “it” in Paragraph 5 refer to?

A. A type of ice-salt mixture.

B. A newly found protein.

C. Fish blood.

D. Sugar molecule.

3What does “glyco-” in the underlined word “glycoprotein” in the last paragraph mean?

A. sugar B. ice C. blood D. molecule

4What is the best title of this passage?

A. Discovery of the AFGP.

B. A special fish living in Antarctica.

C. The ice shelf around Antarctica.

D. Protection of the Antarctic cod.

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