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【简答题】
市场上某品牌的智能手机由甲、乙、丙三个厂家同时供货,它们的供货量分别占总量的50%,25%,25%,三个厂家产品的次品率依次为3%,2%,4%。 若在市场上随意购买一件该品牌的智能手机,求 (1)买到次品的概率是多少? (2)若已知买到的是次品,求它是丙厂生产的概率。
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参考答案：
举一反三
【单选题】下列关于计算机的字符编码的说法,正确的一条是( )。
A.
汉字的打印输出过程中需要实现汉字的机内码转换为对应的字形码
B.
国标码、区位码是计算机中我国汉字用标准交换码
C.
同一个英文字母(如字母A)的ASCII码值和它在汉字系统下的全角内码一样
D.
9DE5H是一个汉字或汉字符号的内码
查看完整题目与答案
【单选题】计算机内码中,机内码和区位码的换算关系是______。
A.
机内码=区位码+8080H
B.
机内码=区位码+A0A0H
C.
机内码=区位码+2020H
D.
区位码=机内码+8080H
查看完整题目与答案
【简答题】阅读理解 Imagine you're at a party full of strangers. You're nervous. Who are these people? How do you start a conversation? Fortunately, you've got a thing that sends out energy at tiny chips in everyone...
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【单选题】—Hello, Joan. —( ) Kate. Glad to see you.
A.
Hi
B.
Hello
C.
Good morning
D.
How do you do
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【单选题】The author implies that administrators love lectures because
A.
students learn better in lectures.
B.
professors teach better through lecturing.
C.
schools make more money on lecture classes.
D.
professors can show off in lectures.
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【单选题】听力原文：I really enjoy pop music. How about you? (3)
A.
Thank you.
B.
Me too.
C.
Fine.
D.
How do you do?
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【单选题】Why didn’t the man choose the Thursday lectures?
A.
He had another class to attend in that time period.
B.
No seat was available for the Thursday lectures.
C.
The professor who gave lectures on Thursday was too strict.
D.
He wanted to have the class together with his roommate.
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【简答题】完形填空。 A: Excuse 1 , what's 2 , please? B: My name is Ann Read. And 3 ? A: Wei Hua, 4 you do? B: How do you do? A: 5 in the bag? Is it a pear? B: No, It's 6 orange. A: What 7 that in English? B: It's a...
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【判断题】三个同学的成绩不同，因此存在三个变量。
A.
正确
B.
错误
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【简答题】将问句与答语正确搭配起来。 (      )1. What's your phone number? (      )2. Is this your notebook? (      )3. How do you spell 'English'? (      )4. What's this in English? (      )5. Is this a TV in English? ...
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相关题目：
【单选题】下列关于计算机的字符编码的说法,正确的一条是( )。
A.
汉字的打印输出过程中需要实现汉字的机内码转换为对应的字形码
B.
国标码、区位码是计算机中我国汉字用标准交换码
C.
同一个英文字母(如字母A)的ASCII码值和它在汉字系统下的全角内码一样
D.
9DE5H是一个汉字或汉字符号的内码
查看完整题目与答案
【单选题】计算机内码中,机内码和区位码的换算关系是______。
A.
机内码=区位码+8080H
B.
机内码=区位码+A0A0H
C.
机内码=区位码+2020H
D.
区位码=机内码+8080H
查看完整题目与答案
【简答题】阅读理解 Imagine you're at a party full of strangers. You're nervous. Who are these people? How do you start a conversation? Fortunately, you've got a thing that sends out energy at tiny chips in everyone...
查看完整题目与答案
【单选题】—Hello, Joan. —( ) Kate. Glad to see you.
A.
Hi
B.
Hello
C.
Good morning
D.
How do you do
查看完整题目与答案
【单选题】The author implies that administrators love lectures because
A.
students learn better in lectures.
B.
professors teach better through lecturing.
C.
schools make more money on lecture classes.
D.
professors can show off in lectures.
查看完整题目与答案
【单选题】听力原文：I really enjoy pop music. How about you? (3)
A.
Thank you.
B.
Me too.
C.
Fine.
D.
How do you do?
查看完整题目与答案
【单选题】Why didn’t the man choose the Thursday lectures?
A.
He had another class to attend in that time period.
B.
No seat was available for the Thursday lectures.
C.
The professor who gave lectures on Thursday was too strict.
D.
He wanted to have the class together with his roommate.
查看完整题目与答案
【简答题】完形填空。 A: Excuse 1 , what's 2 , please? B: My name is Ann Read. And 3 ? A: Wei Hua, 4 you do? B: How do you do? A: 5 in the bag? Is it a pear? B: No, It's 6 orange. A: What 7 that in English? B: It's a...
查看完整题目与答案
【判断题】三个同学的成绩不同，因此存在三个变量。
A.
正确
B.
错误
查看完整题目与答案
【简答题】将问句与答语正确搭配起来。 (      )1. What's your phone number? (      )2. Is this your notebook? (      )3. How do you spell 'English'? (      )4. What's this in English? (      )5. Is this a TV in English? ...
查看完整题目与答案
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