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1·According to a study, more than half the teenage girls in the USA think they should be on a diet and almost one in five teenage boys are worried about their bodies and their weight.

根据一项研究，在美国，超过一半的少女认为她们应该节食，几乎五分之一的少年男孩担心自己的身体和体重。

2·We know she be on a diet.

我们知道她将节食。

3·Therefore, to be on a diet is preferable.

因此，节食是可取的。

4·I was invited to be on a diet one minute before.

一分钟以前我被邀参加一个饭局。

5·If you don't mind, could you tell me when you started to be on a diet?

假如你不介意的话，请告诉我你是什么时候开始节食的。

6·He took/ followed the doctor's advice and began to carry out the plan to be on a diet.

（高三英语）1。 他采纳医生的建议，开始实施节食计划。

7·If I knew I had to be on a diet seven days a week, I'd go nuts, says Michelle Munoz, a Chicago realtor, but five days I can handle.

“如果我知道一周七天都得节食，一定会疯掉的，”一位在芝加哥从事房地产中介的米雪儿‧慕诺斯如是说，她接着又说：“但节食五天的话，我就还可以忍受。”

8·Many people don't like using this word, when referring to their eating habits, because they feel that it is humiliating to be on a diet.

当提到饮食习惯时，许多人很不喜欢这个词，因为他们认为谈论饮食方面是很是羞愧的。

9·The expert announces drop we: Take medicine reducing weight to must be united in wedlock be on a diet, motion just can achieve first-rate result reducing weight.

专家告戒我们：服用减肥药必须结合节食、运动方可达到最佳的减肥效果。

10·So, the expert thinks, protein is the important nutrition composition with indispensable human body, although be on a diet, decrease what protein also should not decrease in heavy process to absorb.

所以，专家认为，蛋白质是人体不可缺少的重要营养成分，即使在节食减重的过程中也不应减少蛋白质的摄入。