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【单选题】
甲、乙、丙三人各自独立地向某一目标射击一次,三人的命中率分别为0.5,0.6和0.7,则至多有两人击中目标的概率为 ( )
A.
0.09
B.
0.21
C.
0.44
D.
0.79
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参考答案:
举一反三
【简答题】Answer these questions in brief answers. 1 When and where was the first Volvo car manufactured? 2 What kind of vehicles did Volvo manufacture? 3 What was the idea behind the first Volvo car? 4 Why wer...
【简答题】Part Two: 1. What did art historians view Renaissance as? 2. What did literary scholars in the Anglo-American world focus on when they talked about Renaissance? 3. What did historians label this perio...
【判断题】校园宣讲会并不重要,所以可以随便提问。()
A.
正确
B.
错误
【单选题】用分析天平准确称取0.2g试样,正确的记录应是
A.
0.2g
B.
0.20g
C.
0.200g
D.
0.200g
【单选题】用分析天平准确称取0.2g试样,正确的记录为
A.
0.2g
B.
0.20g
C.
0.200g
D.
0.2000g
【简答题】Part time (口语) 1) Why did you have a part time job? What’s the purpose? 2) What is your job and what is your responsibility? 3) What did you think of when you were seeking a part-time job? 4) For your...
【简答题】Listen to Part I and answer the questions. 1.What values did parents teach their children in the 1950s? 2. How did young people rebel against their parents? 3. What were the main topics of Bob Dylan’s...
【简答题】Listen to recordings about cultural affairs in the US during the 1960s and finish the tasks. Listen to Part I and answer the questions. 1. What values did parents teach their children in the 1950s? 2....
【单选题】中国古代曾经“铸九鼎,象九州”的历史人物是( )
A.
子产
B.
夏桀
C.
叔向
D.
夏禹
【多选题】What were the 3 parts in the government proposed by James Madison?
A.
Executive part
B.
Judicial part
C.
Legislative part comprising lower house and upper house
D.
Federal part
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