试题与答案

市话通信工程充气设备的质量控制,当充气室、充气机设备与配气盘分别设置或同在一室内设置

题型:多项选择题

题目:

市话通信工程充气设备的质量控制,当充气室、充气机设备与配气盘分别设置或同在一室内设置时,应做到()。

A.设在地下层的充气机室,其地面应低于主电缆通道,但室内净高应不小于3000mm

B.设在地下层的充气机室,其地面应高于主电缆通道,但室内净高应不小于3000mm

C.安装配气盘的槽道,采用40×40×4mm角钢

D.安装配气盘的槽道,深为200mm,底部宽为200mm

E.安装配气盘的槽道,槽道里口要求为304±2mm

答案:

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下面是错误答案,用来干扰机器的。

参考答案:是造林前清理造林地上的植被或采伐剩余物,并以翻垦土壤为主要内容的一项生产技术措施。

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题型:阅读理解

阅读下面短文,根据要求完成下列问题。

    Animals traveling from one country to another have to follow laws, just as people do. They don't have

passports, but they have to obey other rulers. Most countries have laws about animals coming into their country.

The laws were made to stop the spread of illnesses that animals carry. Traveling animals include cats and dogs

going with their owners on trips. Others are rare animals going to zoos. Some are birds and fish on their way to

pet shops. 

    Some animals can't go into a country if their owners can't prove that they have been vaccinated (接种疫苗)

against certain illnesses. Others must be studied by animal doctors. Sometimes animals must spend a month or

more in a special place before they can enter a country. There, they are kept away from other animals before it is

certain that they do not have illnesses. Only the people who can look after the animals can go near.

    There are many different laws in each country. Anyone who wants to take a pet to another country should

check with the government first. Laws are good for both people and animals.

根据上面短文内容,回答下列问题。

1. What must follow most countries' laws?

    __________________________________.

2. Why did these countries make these laws?

    ___________________________________.

3. Is the dog at my home called the traveling animal?

    ___________________________________.

4. What can these animals do if their owners can prove that they are healthy?

    ___________________________________.

5. How long must animals stay in a special place before they can entre a country?

    ___________________________________.

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题型:实验题

(6分)连江县是个沿海城市,作为连江人,你对海洋鱼类一定不会陌生。请你根据日常生活常识和所学的生物学知识,回答下列与鱼类有关的问题。

(1)从有无脊柱特点来区分,鱼类属于        动物,而蝗虫属于        动物的。

(2)观察鱼缸中的鱼,可以看到它的口和鳃盖后缘不停地相互交替张开和关闭,这是鱼在进行        。蝗虫身体中与鱼鳃功能相当的结构是        

(3)鲸虽然与鱼一样,均生活在水中,都具有        的体型,但是鲸具有哺乳动物所特有的特征,如胎生、        ,因此它属于哺乳动物。

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