问题
单项选择题 A2型题
探索先天性白内障的病因，某研究者选择了100例确诊为先天性白内障的病例，同时选择了同期同医院确诊没有该病的新生儿100例，然后查询产妇的分娩卡片，了解孕期、分娩及产后的各种暴露情况，这种研究属于（）
A.前瞩性队列研究
B.病例对照研究
C.实验研究
D.回顾性队列研究
E.巢式病例对照研究
答案
参考答案：B
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探索先天性白内障的病因，某研究者选择了100例确诊为先天性白内障的病例，同时选择了同期同医院确诊没有该病的新生儿100例，然后查询产妇的分娩卡片，了解孕期、分娩及产后的各种暴露情况，这种研究属于（）
A.前瞩性队列研究
B.病例对照研究
C.实验研究
D.回顾性队列研究
E.巢式病例对照研究
参考答案：B
| 下面是五个国外学生对自己情况的介绍以及在中国结交笔友的愿望。 | ||||||||||
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| 根据以上提供的信息，下面这些中国学生分别适合哪些笔友。（写A-E 字母） | ||||||||||
| ( )1. Gao Lin is a 16-year-old boy. He is good at playing chess and he came first in the City's Chess Contest last year. ( )2. Li Wei is a 14-year-old boy. He is good at playing computer games. He has a lovely pet dog. He often takes it for a walk after dinner. ( )3. Wu Tong majors in (主修) Chinese in a university. He hopes that Chinese can be a key to the door which connects (连系) foreigners and Chinese people. Anyone who loves Chinese culture and wants to know more about China is OK. ( )4. Zhang Rui studied in Spain two years ago. So she can speak a little Spanish and English. In her free time, She likes singing , swimming and watching movies. ( )5. Mei Chen likes playing the piano and dreams of becoming a famous musician (音乐家). She is outgoing. She wants to have a foreign friend who speaks German. |