What may be concluded from the information presented in the passage about time of tide alo

司的感受如何).

should write at least 120 words and you should base your composition on the outline.

1. 时间比金钱更可贵；

2. 应当珍惜每寸光阴；

3. 要养成节约时间的好习惯。

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Section A

Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item with a single line through the center. You may not use any of the words in the bank more than once.

Perhaps like most Americans you have some extra pounds to 【S1】______ . You may even have tried a fad diet or two, but found yourself right back where you started. The key to weight loss is regular 【S2】______ activity. And surprisingly, you don&39;t have to give up eating or make the gym your second home to see long-term, 【S3】______ effects.

Your body needs a certain amount of energy to maintain basic 【S4】______ such as breathing, blood circulation and digestion. The energy required to keep your organs functioning is referred to as the resting or basal metabolic rate.

Any time you are active, 【S5】______ energy is required. It is obtained from glycogen and fat stored in the blood, liver, and muscles. The key to losing weight is to draw on the fat rather than on the carbohydrate reserves.

Which of the two energy sources you use depends on the intensity and 【S6】______ of your activity. The higher the intensity, the more your body will pull from the stored carbohydrates. The lower the intensity, the more your body will 【S7】______ on fat as its fuel.

Aerobic exercise is most 【S8】______ for weight loss. When you perform. aerobic activities you 【S9】______ contract large muscle groups such as your legs and arms. Walking, running, rollerblading, swimming, dancing, and jumping jacks are all forms of aerobic activity.

Surprisingly, if your aerobic activity is low to moderately intense and of long duration, you will bum more fat than if you had 【S10】______ in a short burst of high-intensity exercise. In short, a brisk 30-minute walk will burn fat while a 100-yard sprint will bum glycogen.

A positive B additional C duration D effective

E shed F physical G food H functions

I participated J rely K cut L repeatedly

M uses N little O obvious

【S1】

【S2】

【S3】

【S4】

【S5】

【S6】

【S7】

【S8】

【S9】

【S10】

请帮忙给出每个问题的正确答案和分析，谢谢！