在下列结论中:(1)有一个外角是120°的等腰三角形是等边三角形;(2)有两个外

题型:选择题

问题:

在下列结论中:(1)有一个外角是120°的等腰三角形是等边三角形;(2)有两个外角相等的等腰三角形是等边三角形;(3)有一边上的高也是这边上的中线的等腰三角形是等边三角形;(4)三个外角都相等的三角形是等边三角形.其中正确的个数是[ ]

A.4个

B.3个

C.2个

D.1个

考点:等边三角形
题型:选择题

Adding Humors to Your Conversations

Humor adds bright light to your conversations . People like and trust with a good sense of humor . In order to make others laugh , you have to be fun and relaxed . It’s hard to be funny when you’re stressed out .(心力交瘁的)

When you feel tense(紧张的), your humor will disappear . You have to find ways to bring your humor back and feel relaxed .

Here are some ideas to keep your humor :

72.                     

When you feel tired , you can just open your favorite book of humor writing or cartoons to lighten the moment .

73.                     

Maybe you have a picture of your kids at Disney World . Maybe it’s a picture of your last year’s Halloween costume . Perhaps a photo will remind you that your dog makes you laugh . The photo will also open the door to fun-filled conversations with visitiors to your office .

74.                       

If you’ve been with people , spend some time alone . If you’ve been sitting , take a walk . If you’ve been in a quiet environment , go someplace exciting . If you’ve been indoors , step outside .

Whenever , you’re stressed , your body is usually telling you that you need to do something different . You want to keep yourself in a humor-ready state .

75.                      

This will provide a place for you and your co-workers to have a mind-vacation . Find some fun posters to decorate the room . Put interesting things , like games and puzzles in the room . Design a notice board for fun photos , cartoons and contests . The idea is to fill the room with fun and make people forget about the stress .

A.Consider breaking the pattern(模式)when you’re in a bad mood . Do something different .

B.Have a fun photo of something that recalls wonderful memories on your desk .

C.Help design a better room .

D.Keep something that makes you laugh or smile near you .

题型:选择题

“各粒径粉尘所占总粉尘的百分比。”该定义所对应的粉尘性质是().

A.粉尘分散度

B.粉尘密度

C.粉尘的成分

D.粉尘粒度

题型:选择题

男患,67岁,以"讲话时突然头痛、呕吐,右侧肢体无力3小时,昏迷1小时"入院。既往高血压病史12年。查体:血压210/120mmHg,浅昏迷,左瞳孔D=6mm,右瞳孔D=3mm,眼底无出血,右侧肢体偏瘫,右侧Babins-ki征(+)。

为明确诊断,首选的辅助检查是()

A.心电图

B.脑脊液

C.脑超声

D.头颅CT

E.脑血管造影

题型:选择题

大包在第几肋间隙()

A.第2肋间隙

B.第3肋间隙

C.第4肋间隙

D.第5肋间隙

E.第6肋间隙

题型:选择题

窗扇的安装,应在()完成后进行。

A.主体工程

B.装饰工程

C.饰面工程

D.随意时候

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