问题
单项选择题
流行病学的三类偏倚:
A.选择/信息/混杂偏倚
答案
参考答案:A
流行病学的三类偏倚:
A.选择/信息/混杂偏倚
参考答案:A
完形填空。 | |||
Internet Many people like to search the Internet. Exploring the Internet is one of the most important activities of the day. The Intemet 1 the outside world closer to people's homes. Some people say the world is 2 than before because of the Internet. What's going on in 3 countries? How do people live in places far away? Is there a good sports game 4 ? What's the life like in the 5 part of the sea? 6 you want to answer all these questions, 6 come to the Internet. Of course, people can also learn 8 reading or listening to the radio. But with the Internet they can learn better and more easily. A lot of 9 can be collected at great speed. Can we go shopping without leaving 10 ? Can we see a doctor without going to the hospital? Can we 11 without going to school? Can we draw money without going to a 12 ? All these things seemed to be impossible, but now they have become quite _13 . The Intemet helps us open our 14 . The Internet often gives us new ideas.In a word,it helps us in many 15 . Great changes have taken place in our life since the use of the Internet. | |||
1. A. takes 2. A. smaller 3. A. another 4. A. everywhere 5. A. farthest 6. A. If 7. A. only 8. A. about 9. A. things 10. A. homes 11. A. read 12. A. home 13. A. impossible 14. A. minds 15. A. roads | B. brings B. bigger B. rich B. faraway B. deepest B. Whether B. and B. on B. messages B. schools B. play B. school B. possible B. mouths B. ways | C. gives C. larger C. other C. far away C. highest C. Because C. then C. at C. information C. shops C. study C. shop C. interesting C. computers C. kinds | D. helps D. nearer D. poor D. somewhere D. widest D. Though D. also D. through D. letters D. banks D. write D. bank D. quick D. ideas D. places |