语音讲解：
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　　When people want to lose weight, they go on diets. But is dieting the best way to lose weight? The answer is no.

　　Most dieters believe eating less will help them lose weight quickly. But not eating enough may cause dieters to eat a lot later. They end up putting on the weight they lost.

　　Exercise is the key to losing weight. With regular activity, the body's metabolism increases , allowing you to eat more and get fit. Do this and eat a lot of healthy foods, and you will be able to lose weight without going hungry.

　　Phrase of the day

　　end up + Ving

　　A: Didn't you go shopping for a computer?

　　你不是去买电脑吗？

　　B: Yes, but I ended up buying a TV instead.

　　对啊，但最后我却买了台电视回来。

　　句型留言板

　　S is the key to V-ing(……是……的关键)

　　例：Exercise is the key to losing weight.

　　(运动是减肥的关键。)

　　练习：________is the key to_________ successful.

　　(努力是成功的关键。)

　　练习：_________ is the key to_________ good grades.

　　(学习是拿好成绩的关键。)

　　句型留言板解答：

　　1. Hard work, being 2. Studying, getting

　　听力练习基础篇

　　1.How does the man feel?

　　(A) He feels like a horse.

　　(B) He feels like he wants to exercise.

　　(C) He feels hungry.

　　2.What has the man been doing lately?

　　(A) Missing dinner.

　　(B) Doing a lot of exercise..

　　(C) Eating horses.

　　3.How does the man look?

　　(A) He looks like he eats a lot.

　　(B) He looks fit.

　　(C) He looks like he needs more exercise.

　　听力练习基础篇_答案:

　　Man: Oh, I’m so hungry! I could eat a horse!

　　Woman: What? But you just ate dinner an hour ago!

　　Man: I know ... but I’ve been exercising a lot lately.

　　Woman: I see. That’s how you can eat so much, and still stay fit!

　　Answers:

　　1.C 2. B 3. B