国开电大《理工英语1》单元自测3形考任务答案

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1. --- Don’t forget to come to our party this weekend!
--- _____________________________
A. Sure. See you.
B. You are welcome.
C. Not at all.
2. --- We’d be pleased if you could join us for dinner.
--- ____________________________________
A. Thank you
B. Yes, I’d be pleased to accept.
C. That’s good
3. --- We’ve booked a table. We hope you can join us?
--- _________________________________
A. Thank you.
B. OK.
C. How can I resist such a gracious invitation!
4. --- why not dine out together and go to the movies?
--- ________________________________________
A. You deserve that.
B. Sounds like a good idea.
C. Thank you.
5. --- Would you care to join for the picnic tomorrow？
--- _________________________________________
A. So sorry. Next time we'll go, thanks anyway.
B. OK, thank you.
C. No thanks.
6. I’d love to ______with you my new kitchenware.
A. share
B. put
C. help
7. People who do not have wood must spend large amounts of money ________cooking fuel.
A. in
B. on
C. of
8. Solar cooking is a ( )_______cooking method.
A. convenience
B. convention
C. convenient
9. It was _______ to see the students’ excitement when they discovered that simple materials could be used to cook food under the sun and the solar cooking really attracts those creative kids.
A. amazing
B. amazed
C. amaze
10. It is called solar cooker, a newly designed cooking device and there are many kinds of solar cookers _______.
A. convenient
B. useful
C. available
11. Nick _______ a job in a bank, but to our surprise, he didn’t take it.
A. offered
B. has offered
C. was offered
12. --- Do you like reading books?
--- Yes. Each of us ______________ to do more reading in and after class.
A. are encouraged
B. encourage
C. is encouraged
13. The bridge ______ two years ago.
A. built
B. was built
C. is built
14. This box is___ that one.
A. heavy than
B. as heavy as
C. heavier as
15. Li Lei is___ student in our class.
A. tall
B. taller
C. the tallest
16. 二、阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
When Dr. Robert Metcalf first used a solar cooker, the future changed for millions of Africans. He knew that billions of poor people around the world depend on the use of wood for cooking. As they take more and more firewood from wild areas. They are destroying habitats around the world. Wood collection is one reason why many animals have become endangered.
“But sunshine can be an alternative to fire.” Dr. Metcalf says. Since his first solar cooked meal, he has helped people around the world to use simple new technologies to cook their food.
Each morning in villages across East Africa, small children and their mothers wake up and walk several miles to collect firewood to cook their food. It takes much of the day, and the heavy firewood they carry home on their heads lasts only a few days.
This is why Dr. Metcalf spends each summer in Africa. He teaches women and children in villages how to cook with the sun. So far, more than thirty thousand African families now have solar cookers, and new programs will introduce solar cookers to millions of families.
To find water, women and children may have to walk long distance to dig holes in dry riverbeds or to gather water from streams and shallow wells.
They fill their buckets（桶）and carry them home on their heads. The buckets often weigh as
much as forty pounds. Not only is finding water hard work, but the water is often polluted with
germs（细菌）that make people sick.
Dr. Metcalf and others developed a simple，reusable tool that people can use to make sure their water is safe to drink．The tool is calked a WAPI，which stands for “Water Pasteurization Indicator”. The pasteurization process is named after Louis Pasteur，who developed it in the 1800s.
1．Why did Metcalf help Africans use solar cookers? (1)
A．He wanted to help them to fight poverty．
B．He found it a dangerous job to collect firewood．
C．He realized using firewood is not good for the environment．
2．The underlined word “it” in the third paragraph probably refers to" (2) "．
A．collecting firewood B．cooking food
C．cooking with the sun
3．Each summer Metcalf stays in Africa to (3) ．
A. do research on water
B. take care of sick people
C. spread the technique of using solar cookers
4．Water Pasteurization Indicator was developed to (4) ．
A. kill the bacteria in water
B. honor Louis Pasteur
C. make waste water reusable
5．It can be inferred from tile passage that (5) ．
A．Africans find it hard to learn to use solar cookers
B．women and children in Africa usually lead a hard life
C．the water Africans drink is not clean though it is easy to get
17. 二、阅读理解：阅读下面的短文，根据文章内容进行判断，正确为“T”，错误为“F”。
Millions of people around the world cook their food over a smoky fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large amounts of money on cooking fuel. However, there is a much easier way to cook food using energy from the sun. Solar cookers, or ovens, have been used for centuries.
Solar ovens consist of a system of reflectors and a cooking pot. The rest is up to your imagination! Once you have collected or bought your solar oven, you can use it to prepare hot meals in the backyard, at a campground or wherever your heart desires.
Of all the inventions that could benefit humankind, a reliable solar cooker remains one of the most necessary. Countless people across the developing world still cook their food by burning wood or even cow dung, causing breathing problems and severe pollution in some regions.
The searching for a practical solar cooker has gone on for decades and produced dozens of models. But none of them have caught on importantly for use in the developing world because they can’t store heat. Without the ability to store heat, a cooker cannot be used, for example, on cloudy days.
But now a group based at the Norwegian University of Science and Technology (NTNU) is reporting a discovery in solar cookers. They say it will lead to the production of practical solar cookers within a year and a half and it can store enough heat during a sunny day to work for an entire additional day, even if it is cloudy.
People who do not have wood must spend small amounts of money on cooking fuel. (1)
There is a much easier way to cook food using energy from the sun. (2)
Solar cookers, or ovens, have not been used for centuries. (3)
Solar ovens consist of a system of reflectors and a cooking pot. (4)
Without the ability to store heat, a cooker can be used, for example, on cloudy days. (5)
18. 二、翻译：从以下A、B、C三个选项中选出与英文最适合的中文翻译。
It is getting more popular due to its high efficiency and its environmental friendliness. (1)
A．由于高效及环保的特点，太阳能锅越来越受到大众的欢迎。
B. 由于高效友好的特点，太阳能锅越来越受到大众欢迎。
C．由于经济环保的特点，太阳能锅越来越受到大众欢迎。
2. I’d love to share with you my new kitchenware. (2)
A．我很喜爱与你分享我的新厨具。
B. 我很乐意和你分享我的新厨具。
C．我很乐意平均分配我的新厨具。
3. I am eager to see this new device. (3)
A．我急切地想看到这个新设备。
B．我很激动看到这个新设备
C．我很乐意看到这个新设备。
4. People who do not have wood must spend large amounts of money on cooking fuel. (4)
A．那些没有足够木材的人们得花费大量的钱来烧饭。
B．那些没有足够多木材的人们得依靠大量的钱来购买烹饪燃料。
C．那些没有足够木材的人们得花费大量的金钱购买烹饪燃料。
5. Solar ovens consist of a system of reflectors and a cooking pot. (5)
A．太阳能灶是由反射镜及烹饪锅系统组成的。
B．太阳能灶是一个反射系统和一个锅
C．太阳能灶利用了反射系统和烹饪锅。