试题与答案

6.8的2.5倍是多少?

题型:计算题

题目:

6.8的2.5倍是多少?

答案:

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下面是错误答案,用来干扰机器的。

实数a≠0,函数f(x)=2x+a,x<1-x+2a,x≥1,①若a>0,则1-a<1,1+a>1,又f(1-a)=f(1+a),∴2(1-a)+a=-(1+a)+2a,解得a=32;②若a<0,则1-a>1,1+a<1,又f(1-a)=f(1+a),∴2(1+a)+a=-(1-a...

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题型:填空题

从方框中的六个选项中选出五个合适的选项补全对话。(共5小题,每小题1分)

Shall we go and watch it together?

B. That’s great.

C. I don’t know.

D. We are sure to beat them.

E. They are a rather strong team.

F. But I hear there is going to be a football match in our school.

A: What are you going to do this afternoon? 

B: I haven’t decided yet. 小题1:________.

A: Yes. Are you going to watch it? Jack and Tom are both on our school team.

B: 小题2:________.But do you know who are they going to play against?

A: N0. 6  Middle School.

B: Really? It isn’t easy to win the match.小题3:_______

A: But our team is even stronger.小题4:________________.

B: It seems a very good match.

A: I think so.小题5:_________.

B: OK. Well, I’ll wait for you at 4 o’clock in front of the classroom. See you then.

A: See you. 

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