短文改错。 Not too long ago, people can't go

题型:改错题

问题:

 
短文改错。
      
     Not too long ago, people can't go scuba diving on
Hainan Island, or anywhere else. This were because  
there was no machine allowing  person to breathe    
under water for long time. In 1943 Jacques
Cousteau and his friend made it possible by invent the scuba    
machine. Cousteau was very interested on diving        
deep into the sea, but wanted to be an explorer. He    
bought a ship and used them to explore under the sea.
He also was liked to make videos. As he explored
the sea, he took pictures and videos of many thing that  
people had never seen before.  
1.                                                
2.                                                
3.                                                
4.                                                
5.                                                
6.                                                
7.                                                
8.                                                
9.                                                
10.                                              
考点:一般过去时可数名词(单数名词,复数名词)不定冠词(a,an)人称代词实义动词的过去式动名词
题型:改错题

两个负数的差是正数,则这两个负数一定是(  )

A.被减数大

B.减数大

C.被减数的绝对值大

D.以上都不对

题型:改错题

(4分)近日,有媒体报道面条可燃,一些市民据此担心面条中加入了不安全的添加剂。

⑴仅从面条可燃就判断加入了添加剂是不科学的,因为面粉含有的主要营养素淀粉本身是可以燃烧的,淀粉的化学式为(C6H10O5)n,完全燃烧的产物是________;燃烧过程中还可闻到像头发烧焦似的刺鼻气味,是由于面粉中另一种营养素燃烧产生的,该营养索是­­­­_________。

⑵面粉不仅可以燃烧.一定条件下还会发生爆炸。2010年2月我国某大型面粉厂灌装车间发生面粉爆炸,造成重大人员伤亡。为避免类似事件,生产过程可采取的措施有________。

A.密封门窗,隔绝氧气

B.严禁吸烟,杜绝货源

C.轻拿轻放,减少粉尘扬起

D.提高淀粉的着火点

题型:改错题
0.6,
2
3
,67%,0.0.
6
7
这四个数中最大的是______.
题型:改错题

玻璃厂的原料水碾、湿法拌料、水力清砂、水爆清砂等广泛采用的防尘法是( )防尘。

A.冷抽式
B.湿式作业
C.密封式
D.干式作业

题型:改错题

若要修改一小区的主频频点由10080改为10088,且新频点与该小区所有辅频频点无重复,在不考虑该小区邻区关系有可能对本小区改频产生影响下请补充以下MML命令.

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