对21-三体综合征最有确诊价值的是A．智力低下 B．特殊面容 C．染色体核型分析 D 发布时间：2017-06-16 05:09 │ 来源：www.tikuol.com 题型：单项选择题 问题： 对21-三体综合征最有确诊价值的是A．智力低下B．特殊面容C．染色体核型分析D．通贯手E．肌张力低下
题型：单项选择题 完形填空。 Do you know S. H. E. ? It is a 1 group 2 Taiwan, China. There are 3 lovely girls in it. They 4 Salina, Hebe and Ella. They are very popular. Lots of girls like Salina because she is very 5 . She has long, straight hair. She is of medium 6 and thin. Ella is 7 cool! She looks 8 a boy. She is of medium height and a little heavy. She always 9 short, straight hair and 10 a jacket. Many fans think she sings very well. Hebe is a nice girl. She isn't tall and she is of medium build. She has short, straight hair, too. ( ) 1. A. sing ( ) 2. A. from ( ) 3. A. one ( ) 4. A. am ( ) 5. A. beauty ( ) 6. A. high ( ) 7. A. much ( ) 8. A. as ( ) 9. A. have ( ) 10. A. wears B. singing B. in B. two B. is B. beautiful B. height B. many B. for B. has B. to wear C. dance C. at C. three C. are C. ugly C. short C. really C. on C. is C. wearingD. dancingD. on D. four D. have D. carefulD. long D. real D. like D. be D. wear 查看答案
题型：单项选择题 引起内源性感染的微生物来自A．病人体内或体表的正常菌群或条件致病菌B．肠道、口腔、呼吸道、 * * 、 * * 及皮肤等部位C．来自医院的外环境D．来自其他病人E．来自医务人员 查看答案