已知正多边形的内角和为1080°,那么这个正多边形的边数为______;又若正多

题型:填空题

问题:

已知正多边形的内角和为1080°,那么这个正多边形的边数为______;又若正多边形的每一个外角都是72°,那么这个正多边形的内角和等于______度.

考点:多边形的内角和和外角和
题型:填空题

根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或

一个单词),使对话完整。

(In the morning)

Grandma:  Tom, this is Grandma. I have a problem.

Tom:  Hi, Grandma! 1._______ ?

Grandma:  Grandpa has taken away my laptop (笔记本电脑).  He won't  give it back! He thinks

                 it is wonderful.  But I want to use it, too. What can I do?

Tom:  Where is he now?

Grandma:  He is in the garden. He's playing games on the laptop.

Tom:  Just ask him to give it back.  It's your laptop.

Grandma: He won't give it back.

Tom:  2. _______?

Grandma: Because he's having too much fun.  He says I can use it later.

Tom:  Don't worry, Grandma. Let me see... Oh, I 3. _______ Tell Grandpa I'm on the phone and

          want to talk to him about computer games.

Grandma: That's a good idea, Tom.  He always likes talking to you.  Let's see if it works.

(In the afternoon)

Tom:   Hello, Grandma! This is Tom.

Grandma: Hello, Tom.  Your idea worked! I have my laptop back.

Tom: That sounds 4. _______.Won't Grandpa use the laptopany longer?

Grandma: Yes.We both want to use it.  But we don't want to argue 5. _______.So we have an 

                 agreement now. He can use the laptop in the morning and I can use it in the afternoon.

Tom:   Wow!  Glad to hear that!

题型:填空题

下列哪个不属于管理信息系统开发的前提和策略

A.确定合适的目标

B.建立优化的企业模型

C.制定正确的开发策略

D.选定一种合适的开发工具

题型:填空题

患者,男性,56岁。有糖尿病史15年,近日并发肺炎,呼吸35次/分钟,心率105次/分钟,血压160/90mmHg,呼出气体有丙酮味,意识模糊,尿酮呈强阳性,血糖500mg/dl。

此药的给药途径是()

A.口服

B.皮下注射

C.静脉注射

D.舌下含服

E.灌肠

题型:填空题

相对压强必为正值。

题型:填空题

平移机构可以打反车制动。

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