Most children like to watch TV. It's very interesting. By(通过) watching TV they can see and learn a lot and know many things about their country and the world. Of course, they can also learn over the radio. But they can learn better and more easily with TV. Why? Because they can hear and watch at the same time. But they can't see anything over the radio.

    TV helps to open children's eyes. TV helps to open their minds, too. They learn newer and better ways of doing things. They may find the world is now smaller than before.

    Many children watch TV only on Saturday or Sunday evening. They are always busy with their lessons. But a few children watch TV every night. They go to bed very late. They can't have a good rest. How about you, my young friend?

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2015年10月5日，中国药学家屠呦呦因开创性地从中草药中分离出青蒿素应用于疟疾治疗而获得诺贝尔生理学或医学奖。1969年，中药研究所接到“中草药抗疟”的研发任务，39岁的屠呦呦临危受命，担任该项目的组长。经过两年的研究对象筛选，并受到中国古代药典《肘后备急方》的启发，项目组将重点放在了对青蒿的研究上。1971年，在失败了190次之后，项目组终于成功提取出青蒿素。在没有先进实验设备、科研条件艰苦的情况下，屠呦呦带领着团队攻坚克难，以身试药，终于胜利完成科研任务。她说：“一个科技工作者，是不该满足于现状的，要对党、对人民不断有新的贡献”