题目

某生物兴趣小组以大豆为实验材料，在18℃和25℃条件下，测定大豆种子萌发数．经连续统计，结果如图．根据结果可得出的结论是(     ) A．种子萌发时需要阳光 B．极度寒冷时种子不能萌发 C．大豆种子比小麦种子容易萌发 D．与18℃相比，25℃时大豆种子更容易萌发 答案：DJohn was a very strong man. Once he got a job of cutting wood in a forest. His boss gave him an axe and showed him the area where he should work.The first day, John cut down 18 trees. "Good," the boss said, "keep it up!" John was encouraged by the words of the boss and tried harder the next day, but he could only cut down 15 trees. The third day he tried even harder, but he could only cut down 10 trees. Day after day he was cutting down fewer and fewer trees. "I must be losing my strength," John thought. He went to the boss and said that he could not understand what was going on. "When was the last time you had sharpened your axe?" the boss asked. "Sharpened? I had no time to sharpen my axe. I have been very busy trying to cut more treesl" said John. The moral of this story: While John was working hard, he didn't think about how to do his job better. Our lives are like that. We sometimes get so busy that we don't take time to sharpen our skills. Many of us never learn new skills. We think that whatever we have learned is enough. However, in some ways, sharpening our skills from time to time is the key to success.小题1:When did John cut the most trees?A．The first day.B．The second day.C．The third day.D．The fourth day.小题2:John was cutting down fewer and fewer trees. He thought_______.A．he needed to sharpen his axeB．the boss should help himC．it was wrong to cut down treesD．he must be losing his strength小题3:What can we learn from the story?A．It is wrong to cut down trees.B．Hard work is the only key to success.C．It's important to take time to sharpen our skills.D．It's a waste of time to sharpen the axe.