下列各式的运算中正确的是( ) A.4=±2 B.(-5)2=-5 C.(±3)2=3

题型:选择题

问题:

下列各式的运算中正确的是(  )
A.
4
=±2
B.
(-5)2
=-5
C.
3
)2=3
D.
-9
=-3
考点:算术平方根
题型:选择题
完形填空。
     One day a woman got into her car and started driving home after work. Just at that time, she saw a
  1  car behind her. The driver was a  2  . When she turned left, the yellow car turned left. When
she turned  3 , the yellow car turned right, too. When she stopped at the traffic lights, the yellow car
stopped  4   her.
     The woman was  5  , so she drove quickly to  6 . When she arrived, she was very  7  to
see that the yellow car stopped behind her again. But she felt  8  because she saw a policeman standing
outside the police station. She jumped out of her car at once and  9  to the policeman. She asked the
policeman to arrest (逮捕) the man in the yellow car, then the policeman walked to the man.
     The man didn't run away. He just  10   and said to the woman,"I want to give this purse back to you.
I think you dropped it on the street."
( )1. A. red              
( )2. A. man              
( )3. A. left             
( )4. A. opposite         
( )5. A. anxious          
( )6. A. the police station
( )7. A. interested       
( )8. A. sad              
( )9. A. ran              
( )10. A. cried           
B. yellow    
B. woman     
B. back      
B. before    
B. scared    
B. her office
B. excited   
B. safe      
B. run       
B. laughed   
C. black    
C. policeman
C. right    
C. behind   
C. pleased  
C. her home 
C. surprised
C. dangerous
C. runs     
C. smiled                                         
题型:选择题

___ to get a ticket for the 2006 FIFA World Cup, George has been standing in a queue for two days.

A.Determining

B.Being determined

C.To determine

D.Determined

题型:选择题

下列项目可以免征增值税的是()。

A.商场销售农产品

B.残疾人组成的福利工厂为社会提供的加工和修理、修配劳务

C.外国企业无偿援助的进口设备

D.张某销售自己使用过的旧家具

题型:选择题

关于推拿疗法的一般注意事项中以下哪项是不正确:

A.妇女月经期的腰臀部,腹部穴位要重用

B.病人有思想顾虑或畏惧情绪时,应先做好解释工作

C.手法要尽可能轻柔以避免医源性损伤,特别是关节运动类手法,如颈椎斜扳法,常引发医疗事故

D.推拿前应注意指甲是否需要修剪

E.病人在过于饥饿、饱胀、疲劳、精神紧张时,不宜立即推拿

题型:选择题

下列关于人体内血液循环的叙述中,错误的是

A.体循环和肺循环两条循环途径在心脏处交汇

B.在体循环中,主动脉流动脉血

C.在肺循环中,肺静脉流静脉血

D.血液流经毛细血管处进行物质交换

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