最新电大国家开放大学理工英语3网络核心课形考网考作业试题与答案

最新电大国家开放大学《理工英语3》网络核心课形考网考作业试题及答案

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2018春期电大把《理工英语3》网络核心课纳入到“国开平台”进行考核，针对这个平台，本人汇总了该科所有的题，形成一个完整的题库，并且以后会不断更新，对考生的复习、作业和考试起着非常重要的作用，会给您节省大量的时间。做考题时，利用本文档中的查找工具，把考题中的关键字输到查找工具的查找内容框内，就可迅速查找到该题答案。本文库还有其他网核及教学考一体化答案，敬请查看。

本课程考核采用形成性考核与终结性考试相结合的方式。

形成性考核占课程综合成绩的50%，终结性考试占课程综合成绩的50%。课程考核成绩统一采用百分制，即形成性考核、终结性考试、课程综合成绩均采用百分制。课程综合成绩达到60分及以上（及格），可获得本课程相应学分。

形考任务1

二、完形填空：阅读下面的短文，选择合适的内容将短文补充完整。

Top 3 Green Home Innovations

D .There are many things you can do to reduce carbon emission and help to make the earth a better place for future generations. Here are a few suggestions.

E Although LED lamps cost more money than standard incandescent or compact fluorescent bulbs do at the beginning, these long-lasting LED lamps will eventually be worth the money because of nergy saved. LED lamps also produce a cleaner, more natural light.

Going “green” doesn't have to be a challenge. A home is a long-term investment. You don't have to start over from cratch. Make small changes. Choose environmentally friendly paint or LED bulbs.

Chances are that your home will need improvements eventually.Whenever possible, choose upgrades that will reduce your carbon footprint. It's good for the planet, and it's good for you.

A. In recent years indoor air pollution has got a lot of attention.

B. Air Purification

C. Water Recycling

D. In the last decade a growing number of people were interested in conserving energy and preserving the environment by living “green”

E. LED Lighting

二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确写“T”错误写“F”。

Five Tips to Make Your House Look Greener

There are plenty of ways to make your house look greener. It doesn't matter how many people reside in your home. It doesn't even matter what is the size of your home. What matters is how your house looks and how it affects you and others residing in it.

It is very necessary to make your house look greener because it has a direct impact on your health. If you keep your house greener, you will get rid of many dangerous diseases. Here are some ways to keep it greener.

1. Good and reliable Interior

Indoor material, like windows, doors, cupboards, etc. must be of good quality. These things play an important role to clean the house. Doors and cupboards must be of high quality wood. Aluminium windows must be used. You must use high-quality paints for walls, doors, windows and cupboards.

2. Using wider windows and doors for ventilation.

Oxygen is a necessary element to enable you to live alive. For healthy life, windows and doors must be wide and usually be kept open at least for 15 hours a day, as ventilation of air makes you fresh and healthy.

3. Placing plants especially flowers at various places

No one wants an empty house, and plants definitely play a refreshing role. First, the plants provide you with oxygen necessary for survival. Second, plants and especially flowers spread heart-attracting fragrance. All unhealthy odors are eradicated from your home and you feel fresh whenever you are inside it. Flowers also make your home interior look more appealing.

4. Disposing off wastes away from home regularly

It's very important to throw away household wastes far from your house every day. When wastes are kept untouched for many days, they attract bacteria and viruses. Flies and mosquitoes also start gathering and increasing at such places. As a result, diseases are caused.

5. Using anti-bacterial materials for washing floors and contents

Usually unclean fans, floors and walls breed bacteria and viruses, which are then carried by flies and mosquitoes. These carriers then infect the humans by contact through contaminated food or direct attacks on human body. It's always recommended to use anti-bacterial or anti-viral