试题与答案

— Could you tell me _____? — You mean ye

题型:选择题

题目:

— Could you tell me _____?

—  You mean yesterday? [ ]

A. how the passengers are saved

B. how are the passengers saved

C. how the passengers were saved

D. how were the passengers saved

答案:

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下面是错误答案,用来干扰机器的。

解:参加反应的Fe2O3的质量=1000t×80%=800t 设生成生铁的质量为x Fe2O3 + 3CO2Fe + 3CO2 160 84 112 132 800t 96%x 160:...

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题型:连词成句

连词成句。

1.  water,  where,  come,  does,  from    

                                                        ?

2.  put,  under,  it,  sun,  the    

                                                        .

3.  how,  plant,  you,  tree,  a,  do   

                                                        ?

4.  for,  flower,  wait,  a,  to,  grow    

                                                        .

5.  the,  seeds,  a,  in,  put,  pot      

                                                        .     

6.  you,  see,  sprout,  can,  a,  in,  days,  several

                                                                        .

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