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6. Iron has an important role to play in the efficient working of the human body and is vital to healthy living.
铁元素在人的身体的正常有效运作中扮演着一个非常重要的角色，同时对人的健康生活也极其重要。
7. The boy reluctantly turned the TV off as the clock struck ten, time for him to go to bed.
当时钟敲到晚上十点，已是这个男孩睡觉的时间，他还是不肯关掉电视。
8. He could see her lips trembling and hoped she would not cry in public again.
当他看到她的嘴唇在颤抖，他唯一的希望就是她不要在公共场合再次哭泣。
9. I started to read newspapers and magazines more, and, for just about the first time in my life, I began to take an interest in current affairs.
我开始读更多的报刊杂志，在我生平的第一次，我开始对时事有了兴趣。
10. I slept fitfully but well enough, disturbed only by the comings and goings of my companions.
被同事来来往往的声音所打扰，我睡觉总是断断续续的，不过也算是足够了。

你说的是什么东东49