摘要： A: Do you think there will be more everywhere , and humans will have work to do in the future? B: Yes, I think so.
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The symbol（符号） 5！is called five factorial（阶乘）and means 5×4×3×2×1；Thus（因而）5！=120．How many 6！=？What is the result of
？Do you know 6！= ；
= ？．
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| (n-1)! |
| n! |
| (n-1)! |
| n! |
阅读对话从每题ABCD四个选项中选出一个最佳答案完成对话。
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>
“How do you deal with the disagreement between the company and the customers?” “The key ______ the problem is to meet the demand ______ by the customers.”
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| A．to solving, making | B．to solving, made |
| C．to solve, making | D．to solve, made |
阅读对话从每题ABCD四个选项中选出一个最佳答案完成对话。
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>
阅读对话从每题ABCD四个选项中选出一个最佳答案完成对话。
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>
A: Good morning. 1
B: Yes , please .I ’d like to buy a tie for my brother.
A: 2
B: Blue. My brother likes blue best.
A: How about this one?
B: Oh, it’s very nice. __ 3
A: 50 yuan.
B: That’s too expensive. I can’t afford it. 4
A: Yes. This light blue one is only 30 yuan.
B: Well, this one looks very good. And the price is OK. 5
【小题1】A Can I help you?
B What’s wrong?
C How are you?
D Would you like something?
【小题2】A What’s his job?
B How old is he?
C What color do you want?
D What size do you want?
【小题3】A What about that one?
B How much is it?
C How many are they?
D What do you think?
【小题4】A I want another one.
B Please show me the light one
C How much is the lighter blue one?
D Do you have any cheaper ones?
【小题5】A I will take it.
B I won’t buy it.
C I can’t believe it.
D I don’t think so. 查看习题详情和答案>>