某机电公司承包了某化工厂的设备及管道的防腐蚀工程。由于设备表面还存有铁锈和旧的防腐层

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问题:

某机电公司承包了某化工厂的设备及管道的防腐蚀工程。由于设备表面还存有铁锈和旧的防腐层,必须对设备进行预处理。工程防腐蚀涂层采用刷涂的施工方法,防腐蚀衬里采用聚氯乙烯塑料衬里。施工完毕,经总工程师鉴定,由于此工程质量要求很高,防腐蚀采用刷涂后,设备表面不够均匀和平整,于是对设备表面重新进行预处理,采用另一种涂层方法。工程施工完毕,达到设计要求后,交付使用。

使用最早、最简单和最传统,但具有劳动强度大、工作效率低、涂布外观欠佳等缺点的防腐蚀涂层施工方法是()。

A.刷涂

B.刮涂

C.浸涂

D.淋涂

考点:二级建造师机电工程机电工程管理与实务
题型:单项选择题

建筑安装工程费用中的间接费的取费基数主要有( )。

A.以人工费和机械费合计为计算基础

B.以直接费为计算基础

C.以机械费为计算基础

D.以人工费为计算基础

E.以直接费和规费为计算基础

题型:单项选择题

在标准状况下,水蒸气分子的间距约是水分子直径的(  )

A.1倍

B.10倍

C.100倍

D.1000倍

题型:单项选择题

按照净收益理论负债程度为100%时,企业价值将最大。 ( )

题型:单项选择题

阅读理解

     Parsley (欧芹)  is an ancient green and a respected addition to many foods.But at other times, its job

is just to make a mealtime plate look pretty.Poor parsley, valued for its looks, then is thrown away.Yet

parsley is a good source of vitamins and other nutrients.The taste is a little strong for some people, but

others chew on parsley to freshen their breath.

     Curly parsley is the king that often ends up being used just for appearance.Flatleaf parsley is easier to

work with for cooking.This kind is often called Italian or French parsley.Do you know about a third kind

of parsley?Hamburg parsley has flat leaves that can be used for the same purposes as other parsley.But

hamburg parsley has a large root which is used as a vegetable to add flavor to soups.

     Parsley is used in foods such as tabouli, a traditional Lebanese salad and is often served with lamb,

fish and beef dishes.Parsley is a herb if you use just the greens.If the root is used, then parsley is

considered a vegetable.

     Some gardeners suggest that to get the besttasting parsley, you should plant new seeds every year.

You can get parsley to grow faster by pouring warm water over the seeds.Leave the seeds in the water

overnight.Then you can grow them in containers indoors or plant them outside.Parsley grows best when

temperatures are below twentyone degrees Celsius.It likes to grow in sunny places.The seeds need rich

soil.Plant the seeds about fifteen to twentyfive centimeters apart.Water them regularly during the first

month.After that, parsley does not need very much water.You can harvest parsley by cutting most of the

plant or leave more of the plant in the ground for a second crop.

1. From the passage we can learn that________.

A. people don't like parsley's strong taste at all

B. people don't attach great importance to parsley's value

C. parsley has been widely planted in the world

D. only ancient people used parsley as an addition

2. Which of the following can be the best title for the passage?

A. The Planting of Parsley  

B. To Parsley's Regret

C. Parsley  

D. The Use of Parsley

3. It seems________to the writer that parsley is valued for its looks.

A. regretful  

B. unbelievable

C. confusing  

D. doubtful

4. The last paragraph mainly deals with________.

A. how to use parsley

B. whether people like parsley

C. how to plant parsley

D. how the author feels about parsley

题型:单项选择题

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