新疆广播电视大学理工英语3unit1-单元自测1（预备知识：Unit 1；10分）答案

1、试卷总分:100 得分:100 ?Could you give me your phone number? ?_It doesnt matter.Sure. My phone number is 135-5674-5633.Its very kind of you to do so.?答案:B2.? ?Could you please connect me with the HR Department? ?_Help yourself. ?OK. Thank you.?Hold on a minute, please. Ill put you through.答案:C3.Hold on a m

2、inute, please. Ill put you?_? .throughinon答案:A4.Going “green” _ have to be a challenge.isdoesntdont答案:B5.You dont have to start over from _.scratchagainhead答案:A6.?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。?T op 3 Green Home Innovations? ? ? . There are many things you can do to reduce carbon emission and help t

3、o make the earth a better place for future generations. Here are a few suggestions.? ? ? 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 a

4、lso produce a cleaner, more natural light.? ? ? .“Water”is a hot topic, especially in the Southwest. Household?water filters are now available to clean and reuse water from showers and baths. Gray water reuse systems redirect the used water from washing machines to lawns or gardens.? ? ? ? ? . Build

5、ing materials and embellishments like paint and carpets can?emit?chemical compounds into the atmosphere, and because a home is an enclosed space, those compounds can sometimes accumulate to dangerous levels. Installing a whole-house air purification system is one way to keep indoor air clean and cir

6、culating.? ? ? Going “green” doesnt have to be a challenge. A home is a long-term investment. You dont 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. Its good for the planet, and its good for you.In recent years indoor air pollution has got a lot of attention.Air PurificationWater RecyclingIn the last decade a growing number of people were interested in conserving energy and preserving t