单元自测1（预备知识：Unit 1；10分）
试卷总分:100 得分:100
1.— If you’reshort-listed for the interview, we’ll ring you by Friday.
— _______
A.I don’t care.
B.It doesn’t matter.
C.OK，Madam.I’m looking forward to hearing from you.
2.— Could you give me your phone number
— _______
A.It’s very kind of you to do so.
B.It doesn’t matter.
C.Sure. My phone number is 135-5674-5633.
3.There are ______of ways to make your house look greener.
A.many
B.plenty
C.lot
4.The _____ question is much more different than this one.
A.six
B.sixth
C.sixteen
5.Going “green” ____ have to be a challenge.
A.don’t
B.doesn’t
C.is
6.二、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
1 .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.
2 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 nergysaved. LED lamps also produce a cleaner, more natural light.
3 .“Water”is a hot topic, especially in the Southwest. Householdwater 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.
4
5 . Building materials and embellishments like paint and carpets canemitchemical 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 circulating.
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.
国开电大答案请进：opzy.net或请联系微信：1095258436
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
(1).__1__
A.A
B.B
C.C
D.D
E.E
(2).__2__
A.A
B.B
C.C
D.D
E.E
(3).__3__
A.A
B.B
C.C
D.D
E.E
(4).__4__
A.A
B.B
C.C
D.D
E.E
(5).__5__
A.A
B.B
C.C
D.D
E.E
奥鹏国开作业答案请进opzy.net或添加微信：1095258436
来源：网络整理 免责声明：本文仅限学习分享，如产生版权问题，请联系我们及时删除。
相关文章：
国开（生命健康学院）23秋《演讲与口才》形考任务4【标准04-30
国开（生命健康学院）23秋《演讲与口才》形考任务2【标准04-30
国开（生命健康学院）23秋《演讲与口才》形考任务3【标准04-30
国开（生命健康学院）23秋《形势与政策》形考任务1【标准04-30
国开（生命健康学院）23秋《形势与政策》形考任务2【标准04-30
国开（生命健康学院）23秋《形势与政策》形考任务5【标准04-30
国开（生命健康学院）23秋《信息化管理与运作》形考任务604-30
国开（生命健康学院）23秋《信息化管理与运作》形考任务704-30