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【简答题】
在ENIAC的研制过程中，由美籍匈牙利数学家总结并提出了非常重要的改进意见，他是
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【简答题】第二节完形填空（共20小题；每小题1.5分，满分30分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。 One afternoon, I went to pick up my mother from work. I got a little early so I 36 the car by the roadside, and 37 for ...
【简答题】Run freely ——A lesson about Courage One afternoon,many years ago，I went to pick up my mother from work.I got there a little early so I_______ the car by the roadside and waited for her. As I looked __...
【简答题】One afternoon, many years ago, I went to pick up my mother from work. I got there a little early so I 1 the car by the roadside and waited for her. As I looked 2 the car window, there was a small park...
【单选题】When manual handling heavy objects
A.
you should bend your knees before lifting
B.
you should not lift any object over 15kgs on your own
C.
you should use a carrying device to lift an object over 15kgs
D.
All of the above
【单选题】The days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in the countryside.
A.
when
B.
that
C.
where
D.
which
【单选题】When manual handling heavy objects
A.
you should use a carrying device to lift an object over 15kgs
B.
you should not lift any object over 15kgs on your own
C.
you should bend your knees before lifting
D.
All of the above
【简答题】下面程序运行时,内层循环的循环总次数是 【 】 。 For m = 1 To 3 For n = 0 To m - 1 Next n Next m
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