某科研小组以难溶性钾长石（K₂O•Al₂O₃•6SiO₂）为原料，提取Al₂O₃、K₂CO₃等物质，工艺流程如下：

作文：

       人生道路上，总有一些人、一些事，甚或一句话、一本书、一则故事、一个微笑、一种执着的追求、一次慰藉人心的宽容……在不经意间触动你的内心，启迪你的灵魂，点亮你的心灵。

       要求：①以“点亮心灵的灯”为题写一篇600字左右的记叙文。  ②文中不要出现真实的人名、地名、校名等透露个人身份的信息。

    One day, a little schoolboy went home with a pain in his stomach.

    "Well, sit down and 1 a cake," said his mother."Your stomach 2hurting because it's empty.It'll be all right when you've got something in it."

    Five minutes later, Dad came home 3 the office.And he said he had a headache.

    "That's because your head is 4," said his clever son."You'll be all right if you have got 5 in it." His dad and mum laughed.