完形填空

    Tom is a young man. He eats and sleeps a lot, 1 works a little. He doesn't like to learn, so he2little. He can't do any difficult work, so he has to look 3an easy job. One day he finds a job on a farm. When it's work time, he always says he's tired and 4. So he gets less money than the others. 5 is coming. The workers are getting ready for the next year. Only Tom does 6. The farmer tells him to cut down trees in the forest. The young man goes there with a 7. He feels terrible in the forest and 8 about the animals. So he looks around and sings loudly. Nobody knows 9 he's singing.

    After three days, Tom hasn't cut down any trees. The farmer wants to find out how the young man is doing. He's 10 when he finds Tom sitting on the chair, cutting the tree. “Why are you sitting here to cut the tree?” asks the farmer. “Because I can't work if I am lying(躺)down, sir.”

Fitness is important in sports but of at least _____ importance are skills.

下图说明了社会主义现代化建设时期我国外交（    ）

H₂O和H₂O₂从微观上看____ 不同，导致化学性质不同，若要区别两种物质，可以取样，分别加入____ ，观察现象．