于前缘装置的说法正确的是() A.前缘缝翼共有8块,是由电动马达驱动的 B.前缘襟翼

题型:单项选择题

问题:

于前缘装置的说法正确的是()

A.前缘缝翼共有8块,是由电动马达驱动的

B.前缘襟翼有收上和伸出2个位置,前缘缝翼有收上、伸出和全伸出3个位置

C.在P5板上有前缘装置的指示,P2板上没有

考点:飞行员执照考试飞行控制飞行控制题库
题型:单项选择题
完形填空。
     Farley worked for the Canadian government. One day, he was __1__ to learn more about wolves. Do
  wolves kill lots of caribou(北美驯鹿) Do they kill people?
     They gave him lots of food and clothes and guns. Then they put him on a plane and took him to __2__.
  The plane put him down and went away. There were no houses or people in this place. But there were
  lots of animals and lots of wolves.
     People tell terrible stories about wolves. They say wolves like to kill and eat people. Farley
 remembered these stories, and he was __3__. He had his gun with him __4___.
     Then one day, he saw a group of wolves. There was a mother wolf with four baby wolves. A father
 wolf and another young wolf lived with them.
     Farley watched these wolves every day. The mother was a very __5__ mother. She gave milk to her
  babies. She gave them lessons about life. They learned how to __6__ food. The father wolf got food for
 the mother. The young wolf __7__ the children. They were a nice, happy family-wolf family! Farley did
 not need his __8__ any more. In a short time, he got on well with the family. Farley watched them for five
  months. He learned that many stories about the wolves were __9__. Wolves do not eat people, and they
  do not eat many large animals. And he also learned bad things about men. It was men who killed many
 caribou and wolves.
     Later, Farley wrote a book about wolves. He wanted people to __10__ them and not to kill them.
( ) 1. A. seen    
( ) 2. A. a small town
( ) 3. A. afraid     
( ) 4. A. at times    
( ) 5. A. bad        
( ) 6. A. cook      
( ) 7. A. shouted at  
( ) 8. A. food      
( ) 9. A. not good    
( ) 10. A. grow        
B. told      
B. a big city  
B. happy    
B. all the time
B. good        
B. make        
B. looked into  
B. clothes    
B. not true    
B. have        
C. heard  
C. a far place
C. angry  
C. once a week  
C. hungry    
C. get    
C. laughed at
C. gun    
C. not easy  
C. teach    
D. found            
D. a lonely village  
D. tired            
D. every afternoon  
D. thirsty          
D. pick              
D. played with      
D. plane            
D. not clear        
D. understand        
题型:单项选择题

美籍华人、史学家唐德刚在《晚清七十年》一书中写道:“从秦国开始的我国史上的第一次社会政治大转型,发自商鞅,极盛于始皇,而完成于汉武。”这次大“转型”的主要表现是[ ]

A.世袭制代替禅让制

B.郡县制代替分封制

C.行省制代替郡国制

D.内阁制代替三省制

题型:单项选择题

下颌全口义齿的内、外斜嵴及牙槽嵴上的一切骨突区属于()

A.主承托区

B.副承托区

C.边缘封闭区

D.缓冲区

E.翼缘区

题型:单项选择题

能够降低生产环境中毒物的浓度的措施是()。

A.增加熔铅温度

B.密闭车间

C.手工电焊改为自动电焊

D.干粉灌注电池

E.苯稀释油漆

题型:单项选择题

下列哪些不是钥匙盘技术的缺点。()

A.加密强度低,这会带来兼容性问题

B.加密强度高,则较容易被解密

C.速度高、易磁化、易潮霉、易折损

D.速度低、易磁化、易潮霉、易折损

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