以下安全提示中主要考虑摩擦力因素的是: A.请驾驶员系好安全带 B.天干物燥,注

题型:选择题

问题:

以下安全提示中主要考虑摩擦力因素的是:

A.请驾驶员系好安全带

B.天干物燥,注意防火

C.雨天路滑,请小心驾驶

D.在火车站站台上候车的旅客请站在安全线以外

考点:力的三要素
题型:选择题

Susan, the US
My best friend is Fanny. She is clever and interesting. We always look after each other. The first week we met, I got sick and she looked after me every day.
 
Betty, England
My best friend is Ana. She is honest and serious. We were born in the same city in England. Then I moved to America with my family. I thought I would never see Ana again. When I went to college in New Your, Ana and I shared the same room!
 
Ken, Japan
I love to spend time with Daisuke because he is funny and smart. We enjoy talking about the funny things we did when we were children, and tell the same stupid jokes over and over again.
 
Lily, Australia
Linda is a very confident girl and she is really kind. Some people may wonder why Linda and I are best friends because we totally different, but I think this is why we are such good friends.
 
小题1:Who is Susan’s best friend?
A.Ana.B.Fanny.C.Linda.D.Daisuke.
小题2:Where is Ken from?
A.Australia.B.The US.C.England.D.Japan.
小题3:What is Linda like?
A. Confident and kind.              B. Funny and smart.
题型:选择题

早产临产是指()。

A.开始不规律宫缩

B.20分钟≥4次宫缩

C.伴宫颈缩短≥55%

D.宫颈扩张不足2cm

E.30分钟≥4次宫缩

题型:选择题

关于呕吐错误的是

A.有物有声谓之呕

B.有物无声谓之吐

C.无物有声谓之干呕

D.呕与吐常合称为呕吐

E.也称"反胃"

题型:选择题

用户计算机通过电话网接入Internet时,需要通过MODEM与ISP的什么设备建立连接

A.数据库服务器

B.邮件服务器

C.代理服务器

D.远程接入服务器

题型:选择题

利用香蕉曲线图不能实现的是( )。

A.分析进度产生偏差的原因
B.合理安排进度计划
C.比较实际进度与计划进度
D.预测后续工程进度

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