液压千斤顶的最大承载能力是()t。 A.50 B.100 C.250 D

题型:单项选择题

问题:

液压千斤顶的最大承载能力是()t。

A.50

B.100

C.250

D.300

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题型:单项选择题
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    I first saw the baby panda when she was only 10 days old. She looked
like a white mouse. We _____1 her Xi Wang. It means "hope". 
      When Xi Wang was born, she weighed(重)_____2 100 grams(克).
Xi Wang drank her mother's milk for as much as 14 hours a day. When
she was six months old, she started to eat bamboo shoots(嫩芽) and
______3 . Eight months later, she was not a small baby any more. She
grew into a ______4 young panda and weighed 35 kilos. When Xi Wang
was months old, she had to look after herself ______5 her mother had
another baby. _____6 , it is very difficult for pandas to live in the
wild(野外). Here are some of the _______7 that pandas like Xi
Wang may have it the future. 
      If hunters catch a panda, they will
kill it for its fur(毛皮). If farmers _____8 trees and forests, pandas
will have no place to live in.       When mothers leave baby pandas
alone, people will often take them away. People think that the baby
pandas need _______9. 
      If pandas are in danger, we should try
our best to protect them. If we do ______10 , soon there will be no
more pandas in the world!

( )  1. A. made    
( )  2. A. quite    
( )  3. A. leaves  
( )  4. A. strange  
( )  5. A. though  
( )  6. A. Luckily  
( )  7. A. examples
( )  8. A. cut down
( )  9. A. money    
( )  10.A. nothing  

B. called      
B. mostly      
B. vegetables  
B. weak        
B. until      
B. Suddenly    
B. questions  
B. plant      
B. help        
B. everything  

C. told    
C. just    
C. trees    
C. famous  
C. because  
C. Sadly    
C. matters  
C. protect  
C. clothes  
C. anything

D. kept        
D. hardly      
D. chips      
D. healthy    
D. whether    
D. Especially  
D. problems    
D. water      
D. family      
D. something    

题型:单项选择题

二尖瓣关闭不全|

A.第一心音增强

B.心率小于脉率

C.心室律绝对不规则

D.心尖部3/6级收缩期杂音

E.开瓣音

题型:单项选择题

儒家在发展过程中经历了两个阶段:()儒家和秦汉以后的作为封建正统的儒家。

题型:单项选择题

在进行SCE试验中,加入BrdU的作用是()。

A.使细胞分裂终止于中期相

B.阻止细胞核的分裂

C.阻止细胞膜的分裂

D.取代胸苷掺入DNA,使姐妹染色单体差别染色

E.使细胞同步分裂

题型:单项选择题

2014年3月19日,外交部发言人洪磊表示,“东伊运”组织(东突厥斯坦伊斯兰运动)在网站发布视频,公然宣称支持死伤162人的昆明“3·01”暴力恐怖袭击,充分暴露了该组织的恐怖主义本质。这充分表明()

①维护祖国统一和民族团结是我们义不容辞的职责

②当今时代,霸权主义和强权政治仍然存在

③恐怖主义是反人类的,危害着人们的安宁生活

④恐怖主义是维护和平和促进发展的主要障碍

A.①②

B.②③

C.①③

D.③④

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