题目内容

When you perform. aerobic activities you 9 contract large muscle groups such as your legs and arms.

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When parents show constant disappointment in their children, the destructive effect

Any time you are active, 5 energy is required.

What is the explanation of animal-behaviour experts for the “clever” behaviour of pets？

For this part, you are allowed 30 minutes to write a composition on the topic My View on Opportunity. You must base your composition on the following instructions (given in Chinese):
有些人认为机会是极少的，另一些人则认为人人都有某种机会。你的看法如何？写出你的观点，说明你的理由并举例。在你的文章结尾处不要忘记写出你的结论。
Your composition should be no less than 120 words. Remember to write it neatly.