对物质结构的叙述，错误的是A．物质由分子组成 B．分子由原子组成 C．原子由核及电子 发布时间：2017-12-18 03:30 │ 来源：www.tikuol.com 题型：单项选择题 问题： 对物质结构的叙述，错误的是A．物质由分子组成B．分子由原子组成C．原子由核及电子组成D．原子核由中子及质子组成E．原子核围绕着电子轨道旋转
题型：单项选择题 阅读理解。 Once there was a clever farmer. Though he was poor, he decided one day to take the king a roast goose(烤鹅) as a present. He had not had 1 to eat that day, and soon the 2 of the roast goose became too much for him as (当…时) he 3 it to the king, so he ate one of its legs. When he came before the king and gave him the goose, the king 4 saw that it had only one leg. Now, the king 5 was born with one bad leg, so he had never been able to 6 properly (正常地). When he saw the goose with only one leg, he thought the farmer had 7 this to laugh at him. Of course he was very 8 . The farmer was told that if anybody laughed at the king, he would be 9 at once. "Where is 10 leg of the goose?" the king asked. "All the geese (goose的复数) in this 11 of the country have one leg only," the farmer answered. "Do you think I'm a fool (傻子)?" the king shouted. " 12 ," said the farmer, "if you look out of the window, you will see geese with one leg by the 13 ." The king looked, and there the geese were 14 on one leg beside the water. The king at once told one of his men to 15 them with a big stick, and of course, they 16 their other legs and ran away. "There," said the king. "You were lying (说谎). That 17 that the geese here have two legs, like all other 18 in the country." "But it doesn't show anything," answered the farmer, "if your men threw a big stick like that at me, I would grow two 19 legs myself to help me to run away 20 ." ( )1. A. less ( )2. A. head ( )3. A. returned ( )4. A. at once ( )5. A. once ( )6. A. come ( )7. A. kept ( )8. A. sorry ( )9. A. helped ( )10. A. other ( )11. A. city ( )12. A. Certainly not( )13. A. hole ( )14. A. swimming ( )15. A. fill ( )16. A. sent up ( )17. A. shows ( )18. A. geese ( )19. A. slower ( )20. A. more slowly B. all B. neck B. carried B. at last B. really B. walk B. done B. worried B. killed B. another B. village B. Of course B. forest B. resting B. lock B. put down B. talks B. animals B. faster B. more carefully C. little C. smell C. sent C. by then C. himself C. see C. made C. sad C. saved C. that C. farm C. That's nothingC. lake C. flying C. hit C. did with C. sees C. legs C. less C. faster D. much D. temperature D. handed D. on time D. yet D. eat D. found D. angry D.covered D. the other D. part D. Never mind D. house D. lying D. keep D. moved away D. knows D. farmers D. more D. Earlier 查看答案
题型：单项选择题 患儿，男性，5岁。诊断：支原体肺炎，先后给予青霉素、阿莫西林、阿奇霉素等抗菌药治疗。治疗耐药青霉素G的金黄色葡萄球菌败血病可首选（）A.苯唑西林B.哌拉西林C.阿莫西林D.氯唑西林E.美洛西林 查看答案