A.To develop a specific research interest and become professional scientists.
B.To send their research observations to a professional database.
C.To increase their knowledge about climate change.
D.To keep a record of their research observations.
正确答案:B
答案解析:根据send their observations to a giant database to be observed by professional scientists可知。
1、Budget
A budget is a spending plan. It can help you spend money wisely. It can do this by cutting out wasteful spending. Of course, preparing a budget takes planning, and following a budget takes
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will power. Your budget should meet your family's needs and income.
The first step in creating a budget is to set your goals. What does your family need and wants. You must know this to work out the details of the budget. Keep goals realistic, in terms of income available. Then decide which goals are the most important.
The next step is estimating family income. Before you can plan wisely, you need to know how much money you have to spend! Write down all the money you expect to receive (wages, savings, interest, etc.) during the planned budget period.
After you have calculated how much money will be available, it is time to estimate expenses. List all of your family expenses. If you are not satisfied with what you got for your money, look carefully at your spending. Studying your records will show where overspending has occurred. It will also point out poor buying habits.
It is also a good idea to set aside a small amount of money for emergencies. Every family has small emergencies: a blown tire, a broken device, or the need for minor medical care. In carrying out your budget, you need ____. 【单选题】
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A.to have the ability to control yourself
B.to ask your family members for advice
C.to cut it down as much as possible
D.to take care not to buy expensive things
正确答案:A
答案解析:“preparing a budget takes planning，and following a budget takes will power”意思是“准备一项预算需要计划，而执行（follow在这里是执行的意思）一项计划则需要will power（意志力），也就是ability to control yourself（控制自己的能力）”。
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1、Diet
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 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 ofa 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 dieting, try to build a pattern of eating that you can follow later to maintain your desired weight.
When dieting, 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
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of riding whenever possible. Happy dieting !
According to the passage, which of the following statements is NOT true? 【单选题】
A.While dieting, you should ask the doctor so that you can lose your weight quickly.
B.Plan meals means to have some foods you like and take them as your daily eating habits.
C.When you have lost your weight, you can have some coffee and tea without sugar or cream.
D.As you are dieting, don't forget exercise.
正确答案:A
答案解析:第1段末尾，作者建议“A good rule is to lose slowly
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