问题
填空题
根据《固定污染源排气中氯乙烯的测定气相色谱法》（HJ／T34-1999），用于采集有组织排放氯乙烯的采样管可为不锈钢、硬质玻璃或（）材质，且具有适当尺寸，并附有可加热至（）℃以上的保温夹套。
答案
参考答案：聚四氟乙烯； 120
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根据《固定污染源排气中氯乙烯的测定气相色谱法》（HJ／T34-1999），用于采集有组织排放氯乙烯的采样管可为不锈钢、硬质玻璃或（）材质，且具有适当尺寸，并附有可加热至（）℃以上的保温夹套。
参考答案：聚四氟乙烯； 120
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| I'm not a vet yet, but I come to a local animal hospital early Saturday morning to help the __1__. A few __2__ are sitting on clean tables, waiting for the vet to examine them. Others are waiting in cages. From time to time they'll put a small paw out to say hello. I'm washing a dog's hurt leg. I work carefully, __3__ I want to make sure I don't do anything to hurt him. __4__ I came here, I didn't understand what a vet does. Now that I work here, I can see that our job is to do __5__ to take care of animals. I love all of them. the huge dogs with kind hearts and small cats with mean looks. It's a long and __6__ day, but I always get a prize at the end. a dog licks (舔) my face, a cat sits __7__ beside me, or a little rabbit __8__ water from my hand. These moments make me very __9__. Because of me, at least one animal knows it is __10__ . | |||
| ( ) 1. A. doctors ( ) 2. A. children ( ) 3. A. though ( ) 4. A. After ( ) 5. A. anything ( ) 6. A. tiring ( ) 7. A. noisily ( ) 8. A. sleeps ( ) 9. A. tired ( ) 10. A. seen | B. students B. patients B. if B. Before B. everything B. exciting B. angrily B. drinks B. upset B. heard | C. teachers C. animals C. because C. Since C. nothing C. interesting C. hungrily C. comes C. proud C. hit | D. children D. birds D. when D. As soon as D. something D. fun D. quietly D. stands D. disappointed D. loved |
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