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【单选题】
一学生用 100N 的置于地面的质量为 0.5kg 的球以 8m/s 的初速沿水平方向踢出 20m 远,则该学生对球做的功是 ( )
A.
200J
B.
16J
C.
1000J
D.
无法确定
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参考答案:
举一反三
【多选题】下列各项中,属于定期预算缺点的有
A.
盲目性
B.
滞后性
C.
间断性
D.
随意性
【简答题】Study the following cartoon carefully and write an essay in 35 minutes. Your essay should meet the requirements below: (1) Write out the messages conveyed by the cartoon. (2) Give your comments. You s...
【单选题】带传动采用张紧装置的主要目的是什么?
A.
增加包角
B.
保持初拉力
C.
提高寿命
【简答题】Write an essay based on the following graphs. In your essay, you should 1)interpret the graphs, and 2)give your comments. You should write about 150 words. Write your essay on the ANSWER SHEET.(15 poi...
【简答题】it is impractical to write an original essay just With the help of ______.
【多选题】下列各项中,属于定期预算缺点的有?
A.
缺乏远期指导性
B.
滞后性
C.
复杂性
D.
间断性
E.
随意性
【单选题】带传动采用张紧装置的主要目的是()。
A.
增大包角
B.
保持初拉力
C.
提高寿命
【单选题】______ at Harvard, he began to write his essay.
A.
Busy was as he
B.
Busy as was he
C.
Busy as he was
D.
As was he busy
【简答题】Write an essay based on the following bar graph. In your essay, you should 1)interpret the graph, and 2)give your comments. You should write about 150 words. Write your essay on the ANSWER SHEET.(15 p...
【简答题】Write an essay based on the following chart. In your essay, you should 1)interpret the chart, and 2)give your comments. You should write at least 150 words. Write your essay on the ANSWE SHEET.(15 poi...
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