双代号时标网络的特点有()。A.可以用箭线长短直接表示总时差和自由时差 B.关键线路

题型:多项选择题

问题:

双代号时标网络的特点有()。

A.可以用箭线长短直接表示总时差和自由时差

B.关键线路在图上一目了然

C.避免出现循环回路等逻辑错误

D.便于利用切割线法进行进度检查

E.适用于作业性网络计划

考点:一级建造师建设工程项目管理建设工程项目管理
题型:多项选择题

某建设项目从美国进口的设备重100吨,装运港船上交货价为1000万美元,海运费为300美元/吨,海运保险费为2万美元,美元兑人民币汇率按l:7计算。该设备的到岸价格为人民币()万元。

A.7000

B.7014

C.7021

D.7035

题型:多项选择题

Hans Christian Andersen(安徒生)

Hans Christian Andersen is a great writer. He wrote many popular stories for children all over the world. April 2 is his birthday and it is also Children’s Book Day.

Andersen was born(出生) in 1805. When he was a little boy, his father read him a story every day. He felt very happy at that time. But his father died when he was 11 years old. Then he had to leave school. Andersen started working as an actor and singer. He loved reading books so much that he went back to school at 17. His first book came out in 1835. From then on, he wrote about one book a year for 37 years.

There will be a park about Andersen’s sales(传说) and life in Shanghai. If you like Andersen, you can go there to learn about his life and tales, and you can play games too.

  根据短文内容,选择正确答案。

小题1:Andersen liked stories because of       .

A.his jobs

B.his father

C.his school

D.his friends小题2:Andersen’s father died in       .

A.1805

B.1816

C.1822

D.1835小题3:Andersen was good at       .

A.singing

B.dancing

C.running

D.drawing小题4:The Chinese meaning(意思) of the underlined phrase“came out”is        .

A.启蒙

B.翻译

C.流传

D.出版小题5:Which of the following is NOT true?

A.Andersen was happy to be with his father.

B.Andersen wrote books for about 37 years.

C.Andersen went back to school because he lost his job.

D.Children can play games in the park in Shanghai.

题型:多项选择题

河南煤业化工集团所有员工要以工作为重,不计较个人得失,乐于奉献,努力营造心情舒畅、温暖和谐的工作氛围。

题型:多项选择题

某拟建项目位于城市区域,锅炉燃煤30t/h,含硫量2.7%,燃烧后有85%的二氧化硫自排气筒排放,脱硫效率为89%,若排气筒高度为40m,烟气抬升高度为25m,10m高度处的风速为2.5m/s。在大气稳定度为C级时,在排气筒下风向800m处,σy=85.43,σz=49.25。

根据以上内容,回答以下问题。

根据题目条件,垂直平均风向轴线水平距离100m处评价点增加的二氧化硫浓度值为多少

题型:多项选择题

男,35岁,低热月余,咳痰带血3天,两年前患过胸膜炎,X线胸片左肺尖密度不均阴影;ESR30mm/h,WBC8.0×109/L

为明确诊断,下列哪项检查最重要().

A.PPD试验

B.痰检抗酸杆菌

C.痰检瘤细胞

D.痰细菌培养

E.肺CT

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