问题
判断题
生胶开炼机塑炼时，其分子断裂是以机械断裂为主。
答案
参考答案：对
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生胶开炼机塑炼时，其分子断裂是以机械断裂为主。
参考答案：对
| 完形填空。 | |||
| A rich man was once riding along the road and saw an old man digging in his garden. On the ground lay a(n) 1 tree, ready to be planted. The rich man called out to the old man, "What kind of 2 are you planting there, my good man?" "This is a fig (无花果) tree, sir." He said. "A fig tree?" the rich man was very surprised, "Why, 3 are you, may I ask?" "I am ninety years old." "What!" cried the rich man, "You are ninety years old. You are planting a very young tree now and it'll 4 years to give fruit. You certainly don't hope 5 long enough to get any fruit from this tree." The old man looked around the garden. Then he said 6 a smile, "Tell me, sir. Did you eat figs 7 you were a boy?" "Sure," the man did not know why he asked this question. "Then tell me this," he said, "Who 8 the fig trees?" "Why-why? I don't know." "You see, sir." the old man 9 , "Our forefathers (祖先) planted trees for us to enjoy 10 I am doing the same for the people after men." | |||
| ( )1. A. tall ( )2. A. tree ( )3. A. who ( )4. A. pay ( )5. A. live ( )6. A. on ( )7. A. when ( )8. A. plants ( )9. A. shouted at ( )10. A. but | B. young B. flower B. how old B. spend B. living B. with B. before B. is planting B. called for B. and | C. old C. vegetable C. where C. take C. to live C. for C. because C. planted C. went on C. so | |