◎ 题干
改错
     We know that the last part of the 20th century saw                                                          
more large inventions: the helicopter in 1909,          
movies by 1926, the computer in 1928 and the                                                                     
jet plane in 1930. The middle part of the 20th century  
bring                                                   
new ways to help people get over disease. They made      
people healthier and live long. By this time most       
people had led a very well life. Of course new inventions
continued to be made. The world is known                
to man and the universe was not. Many countries began   
look for ways to go into space. Russia made the first  step.                                            

1._____ 
2._____ 
3._____  
         
4._____ 
5._____ 
6._____ 
7._____ 
8._____ 
9._____ 
10._____ 
               
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“改错 We know that the last part of the 20th century saw more large inventions: the helicopter in 1909, movies by 1926, the computer in 1928 and the jet plane in …”主要考查了你对  【可数名词(单数名词,复数名词)】【形容词的比较级,形容词的最高级】【形容词】【实义动词的过去式】【不定式】【动名词】【一般过去时】【介词】【并列连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。