陜西廣播電視大學(xué)理工英語1Unit 3 形考成績-單元自測3（10分）0答案

1、試卷總分:100 得分:100一、選擇填空：閱讀下面的對話或句子，從A、B、C三個選項中選出一個能填入空白處的最佳選項。- ?Wed be pleased if you could join us for dinner.- ?_Thats goodYes, Id be pleased to accept.Thank you答案:B2.- ?Dont forget to come to our party this weekend!- ?_Not at all.?Sure. See you.You are welcome.答案:B3.Li Lei is_ student in our class

2、.tallthe tallesttaller答案:B4.Solar cooking is a _ cooking method.convenientconventionconvenience答案:A5.?Id love to _with you my new kitchenware.helpputshare答案:C6.二、閱讀理解：閱讀下面的短文，根據(jù)文章內(nèi)容從A、B、C三個選項中選出一個最佳選項。When Dr. Robert Metcalf first used a solar cooker, the future changed for millions of Africans. He

3、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 f

4、ire.”?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 t

5、akes 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?n

6、ew 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

7、much as forty pounds. Not only is finding water hard work, but the water is often polluted withgerms （細菌） 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

8、Pasteurization Indicator”. The pasteurization process is named after Louis Pasteur ， who developed it in the 1800s. Why did Metcalf help Africans use solar cookers?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

9、 the environment The underlined word?“it”?in the third paragraph probably refers to A collecting firewood? ? B cooking foodC cooking with the sun? ? Each summer Metcalf stays in Africa to ? do research on watertake care of sick peoplespread the technique of using solar cookers4 Water Pasteurization Indicator was developed to ? kill the bacteria in waterhonor Louis Pasteurmake waste water reusable?5 It can be inferred from tile passage that ? ?A Africans find it hard to learn to use solar cookersB women and children