下列关于丙型肝炎的描述哪项是错误的()。 A.HCV感染后,有一定比例的患者不能清除

题型:单项选择题 A1/A2型题

问题:

下列关于丙型肝炎的描述哪项是错误的()。

A.HCV感染后,有一定比例的患者不能清除病毒,变为慢性携带者持续若干年甚至终身

B.约85%的人感染HCV后,血清和肝脏中有HCVRNA持续存在多年至几十年

C.至少20%的人在慢性HCV感染的20年内发展成肝硬化

D.约1%~5%的人在慢性感染持续

E.丙型肝炎较少慢性化

考点:输血技术(师)输血相关传染病检测原理输血相关传染病检测原理题库
题型:单项选择题 A1/A2型题
完形填空
     Today is Sunday. Bill, Michael, Judy and I    1    any classes. We go to the zoo to see the    2    with Mr. Green.
Mr. Green is our English teacher. He is very    3    to us. We take a bus to the zoo. We want to    4    animals shows
in the zoo. There is(有) a monkey show, an elephant show, and a dolphin(海豚) show in the morning.    5   , we talk
about(谈论) our favorite animals.
     Bill likes elephants very much. He thinks their long    6    are very nice. Michael likes    7    very much. They're the
king(国王) of the animals and they're very strong. But Judy doesn't like them    8   . She is afraid of them. Pandas are
Judy's favorite animals. They are    9   . They look very cute.
     "    10    are your favorite animals?" Mr. Green asks me.
     "Oh, they are very cute and they have long necks. They are giraffes(长颈鹿)."
( )1. A. have    
( )2. A. animals  
( )3. A. great    
( )4. A. see      
( )5. A. At school
( )6. A. arms    
( )7. A. monkeys  
( )8. A. a lot    
( )9. A. black    
( )10.A. What
B. don't have
B. children  
B. kind      
B. look      
B. On the way
B. legs      
B. rabbits  
B. at all    
B. white    
B. Why
C. not have      
C. photos        
C. cute          
C. find          
C. On a farm      
C. nose          
C. lions          
C. very much      
C. black and white
C. Who
题型:单项选择题 A1/A2型题

解关于x的不等式log(x2+2)(3x2-2x-4)>log(x2+2)(x2-3x+2)

题型:单项选择题 A1/A2型题

(8分)如图所示,是一电梯由底楼上升到顶楼过程中速度随时间的变化图象,电梯的运动速度如何变化的?各段时间内电梯的加速度各是多大?

题型:单项选择题 A1/A2型题

()砌体局部受压是砌体结构中最常见的局部受压情况。

题型:单项选择题 A1/A2型题

3个月来因体力活动诱发左前胸及肋骨后压榨样疼痛,并向左肩放射,停止活动后3~5min内疼痛均可逐渐缓解。最可能是()

A.变异型心绞痛

B.不稳定型心绞痛

C.主动脉瘤

D.稳定型心绞痛

E.心肌劳损

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