问题
完形填空
| 完形填空。 |
| Winter comes! In China winter lasts (持续) from about November to January of 1 . Someone says people don't like winter, because it's too cold outside. But many young people and children 2 it very much. It often snows 3 in winter. When 4 , most of the children 5 . They go out of their houses and play outside. The trees are white, the houses are white, and the land is 6 . The children make snowmen (雪人). 7 snowmen stand 8 . Many young people like to 9 in the white world (世界). I like winter, 10 ? |
| ( )1. A. last year ( )2. A. don't like ( )3. A. in North China ( )4. A. it's raining ( )5. A. like to play at home C. would like to be at home ( )6. A. all white ( )7. A. Few ( )8. A. inside the houses C. on the trees ( )9. A. play ( )10. A. are you | B. last month | C. the next year C. show C. in Shanghai C. it's snowing C. not all white C. Much C. sing C. and you | D. the next month D. guess D. in HongKong D. it's cold D. not clean D. Little D. fish D. aren't you |
答案
1-5 CBACD 6-10 ABBAC
xC(g)，①向甲中通入4 mol A、2 mol 
B，达平衡时测得其中C的体积分数为40%；②向乙中通入1 mol A、0.5 mol B和3 mol C，平衡时测得C的体积分数为W%。试回答：