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问题 选择题

五千三百亿五千三百万写作[ ]

A．530053000000

B．53005300

C．530000005300

答案

答案：A

完形填空
完形填空。
     It is __1__ day of school. Li Ping wants to __2__. He wants to see his friends. He wants to meet his
new teachers.
     He __3__ early in the morning. He washes and eats his breakfast. Then he__4__his bike to school.
     He sees his friends in school. He __5__ them happily. Then the bell rings (铃声响了). Everyone
__6__ the classroom.
     Li Ping meets his new teacher. __7__ is Zhao Ling. She teaches __8__ this term. Li Ping likes Miss
Zhao. He thinks she is a nice teacher.
( )1. A. one            
( )2. A. go to the school
( )3. A. gets up        
( )4. A. has            
( )5. A. plays with      
( )6. A. goes            
( )7. A. His name        
( )8. A. their Chinese  		B. first              
B. go back to the school
B. get up              
B. rides              
B. plays              
B. go to              
B. Her name            
B. their China           		C. the first    
C. go back school
C. goes up      
C. sits          
C. says with    
C. run          
C. He            
C. them Chinese  		D. the one          
D. go back to school
D. go up            
D. ride            
D. talks            
D. runs to          
D. Her              
D. them China      
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不定项选择题

研究反应物的化学计量数与产物之间的关系时，使用类似数轴的方法可以收到直观形象的效果。下列表达不正确的是 [ ]

A．密闭容器中CuO和C高温反应的气体产物：

B．Fe在Cl2中的燃烧产物：

C．AlCl3溶液中滴加NaOH后铝的存在形式：

D．氨水与SO2反应后溶液中的铵盐：
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