Persons who are overweight should watch their diet carefully in order to lose pounds.The best way to do this is to start a weight control program.At first it is wise to talk with your doctor.He can advise you of the number of calories(卡路里)you should have in your meals each day.He can tell you about exercising while on your diet.A good rule is to lose slowly.A loss of a pound or two is plenty.
Plan meals around foods you know.This means that it is wise to include foOds that you are used to and that are part of your regular eating habits.When you have lost the weight you wish，simple items can be added to your diet SO that you can maintain the weight you want.While you are dietin9，try to build a pattern of eating that you can follow later to maintain your desired weight.
When dietin9，choose low—calorie foods.Avoid such items as fats，fried food，sweets，cakes，cream and soft drinks.Try to take coffee and tea without sugar or cream.Snacks can be part of your diet.For example，a piece of fruit or a simple dessert saved from mealtime can be eaten between meals.
Keep busy!This way you will not be tempted to go off the diet.Make full use of opportunities to exercise.Try walking instead of riding whenever possible.Happy dieting!
11.What is the main idea of the passage?
A.How to diet.
B.Whv we should diet.
C.What we should diet.
D.Where we should diet.
答案：A
12.While dieting you should __________ .
A.choose fried foods
B.choose low.calorie foods
C.choose snack as hamburger in McDonalds
D.talk to your doctor
答案：B
13.When you have lost the weight you wish，you can __________ .
A.have some more simple items in your diet
B.eat more and more foods you like
C.stop dieting
D.tell the doctor what you’ve done
答案：A
14.According to the passage，which of the following statements is NOT true?
A.While dietin9，you should ask the doctor SO that you can lose your weight quickly.
B.Overweight persons should watch their diet carefully SO as to lose pounds.
C.When you have lost your weight，you can have some coffee and tea without sugar or cream.
D.As you are dietin9，don’t forget exercise.
答案：A
15.If you want to start a weight control program，you should __________ .
A.ask your doctor
B.plan meals and choose low.calorie foods
C.do some exercise
D all nf thP above
答案：D
Whether you are an American citizen or a foreign national living in the United States，travel abroad requires preparation.Travel may be for the purpose of attending meetings or activities in other countries，visiting families or simply taking a vacation.This page is intended to provide guidance and useful resources.
What information do U.S.citizens need?
Depending upon the requirements of the country to be visited，citizens of the United States need to carry a passport that is valid for six months beyond the visit or documented evidence of their citizenship and identity(身份).In addition to a passport，some countries will require a visa.For more information，see Visa and Foreign Entry Requirements.
Current information on passports is available at the Department of State Passport Services and Information website.There is a new passport requirement for U.S.citizens traveling between the United States and the rest of the Western Hemisphere(半球).For details，see Western Hemisphere Travel Initiative.
When traveling to some specified countries，U.S.citizens may be subject to restrictions on publishin9，the exchange of information，the sponsorship of conferences，etc.
16.What is the usual minimum limit to the validity of the passport held by an American citizen?
A.There is no limit to the validity of the passport.
B.The passport must be valid for half a year beyond the visit.
C.The citizen can apply for a passport as long as six months.
D.The minimum limit depends on the nature of the citizen’S visit.
答案：C
17.American citizens can obtain the current information about passports from __________ .
A.the country they are going to visit
B.the Department of State’S website
C.the authorized travel agency
D.the Western Hemisphere Travel Initiative
答案：B
18.It can be inferred that there are restrictions on publishing when American citizens travel abroad because of .
A.the limitation of the number of publications
B.the security of the United States
C.the interest of individuals
D.the protection of copyright
答案：B
19.This passage is mainly to remind American citizens of __________ ·
A.the importance of applying for a passport and visa
B.safety regulations for visiting other countries
C.the limitations to traveling around the world
D.the requirements for their traveling abroad
答案：D
20.From the passage we can infer that __________ ·
A. to get a visa is a new requirement for American citizens visiting other countries
B. it’s easier for American citizens to get a visa from a foreign country than at home
C.requirements for American citizeas going abroad are not always fixed
D.American citizens usually have difficulty getting a passport
答案：C
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