问题
填空题
利用简易钻时装置记录钻时时必须在（）的情况下，熟练而准确地计算（）和（）以保证钻时的准确性。
答案
参考答案：钻具总长准确；到底方入；整米方入
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利用简易钻时装置记录钻时时必须在（）的情况下，熟练而准确地计算（）和（）以保证钻时的准确性。
参考答案：钻具总长准确；到底方入；整米方入
A boy was sent by his parents to a boarding school. Before being sent away, this boy was the student in his class. He was the top in every competition. But the boy changed after home and attending the boarding school. His grades started dropping. He hated being in a group. He was lonely all the time. His started worrying about the boy. But even they did not know was wrong with him. So his dad to travel to the boarding school and talk with him. The father started him casual questions about his classes, teachers and sports. some time his dad said, “Do you know son, why I am here today?” The boy answered back, “To check my ?” “No, no.” his dad replied, “I am here to tell you that you are the most important person for me. I want to see you happy. I don’t care about grades. I care about you. I care about your happiness. YOU ARE MY LIFE” These words caused the boy’s eyes to fill with tears. He hugged his dad.They didn’t say to each other for a long time. Now the boy had everything he wanted. He knew there was someone on this Earth who cared for him . And today this young man in college at the top of his class and no one has ever seen him sad!
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