减肥——请改变你的生活方式！

Do you have pounds to lose but don't have a weight loss plan? To get started on your weight loss journey, Mascha Davis, a registered dietitian and national spokeswoman for the Academy of Nutrition and Dietetics, recommends looking at three areas of your lifestyle that might require changes: food, exercise and sleep.
About the diet, you might start eating more vegetables and drinking more water. Being more physically active might involve simply getting up every hour if you have a desk job, taking the stairs instead of the lift and parking your car farther from your office.
Going to the gym regularly is helpful, but don't expect it to make up for those morning doughnuts. Generally speaking, the amount of exercise required to make up for high calorie foods is huge, just thinking of walking fast for nearly two hours to burn off a 500-calorie piece of cake, which explains why diet is generally more important than exercise for weight loss.
Since sleep influences the feeling of hunger and fullness, getting enough sleep is another lifestyle factor that can make or break your weight loss efforts. "Sleep is necessary for weight loss," Davis said. "I have clients who are doing all these great things with their eating habits and going to the gym, but they don't realize that a lack of sleep is really destroying their goals."
If you're always tired and drinking coffee all day, you may need to make some changes. "Most adults need seven to eight hours of sleep and some need as many as nine. A lot of people are in short of sleep — but the less sleep you get, the higher your weight might be," Davis said.

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1.According to Davis, which of the following is NOT the area of your lifestyle requiring changes?

A Food.

B Sleep.

C Exercise.

D Job.

解析：选D。细节理解题。根据文章第一段最后一句recommends looking at three areas of your lifestyle that might require change: food, exercise and sleep可知，戴维斯建议，要开始减肥之旅，不妨看看生活中可能需要改变的三个方面：饮食、锻炼和睡眠，故选D。

2.The underlined word “doughnuts” in Paragraph 3 might refer to ___________.

A a kind of lifestyle

B a kind of exercise form

C a kind of high calorie food

D a kind of low calorie food

解析：选C。词义猜测题。根据文章第三段第二句Generally speaking, the amount of exercise required to make up for high calorie foods is huge可知，高热量食物所需的运动量是巨大的，所以，定期去健身房是有帮助的，但别指望它能弥补早上吃的甜甜圈（高热量食物）的不足，故选C。

3.Which of the following statement is TRUE according to the passage?

A Sleep has nothing to do with weight loss.

B Most adults need less than six hours of sleep every day.

C Diet is generally more important than exercise for weight loss.

D It is not necessary to get up every hour if you have a desk job.

解析：选C。细节理解题。根据文章第三段最后一句which explains why diet is generally more important than exercise for weight loss可知，饮食通常比运动更重要，故选C。

4.What’s the best title of the passage?

A Lifestyle changes, weight losses.

B Going to the gym regularly is helpful.

C Start eating more vegetables and drinking more water.

D The less sleep you get, the higher your weight might be.

解析：选A。主旨大意题。通读全文可知，文章主要介绍了如果想减肥，要先改变饮食、运动和睡眠三个方面的生活方式，故选A。