题目内容

They demanded that the books________ to the school library at once

A.
return
B.
should return
C.
be returned
D.
would be returned

C
试题分析：考查虚拟语气。表示命令、建议、要求等的词demand, command, order, request, require, suggest(建议)，insist(坚持要求)等，后面的宾语从句用虚拟语气，即，should+动词原形。should可省略。根据demanded可知，是过去时，排除A；根据（should）+do排除D；books 和return是动宾关系，用被动语态，排除B。故选C。
考点：考查虚拟语气

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The following people are expressing their thoughts （61--65） to show their concern for food, environment and so on．After that are pieces of related information （A--F）．Now decide which piece of information would be most suitable for the thought and idea mentioned in questions 61---65 and mark your answer letter （A---F） on your answer sheet．There is one extra paragraph which you do not need to use．

______61．How I was struck by the clear water and fresh air in my childhood! But everything has changed, that is, the clear water and fresh air are nowhere to be found again as they were．Above all, a great deal of waste hardly rots away．

______62．More and more people are beginning to have a good knowledge of the importance of a safer and cleaner environment, which in turn forces the business to be cleaned up．

______63．Organic products are getting more and more popular among people, but we should know the fact that organic products might also have something to do with pesticides．

______64．I’m very much fond of growing some vegetables of my own in my small garden, for many vegetables on sale in markets are actually becoming more and more dangerous as a result of widespread pesticides．

______65．Nowadays it is very convenient for consumers to find and buy green food in supermarkets as they are clearly marked.

A．“Organic （有机的） produce is always better, "Gold said." The food is free of pesticides （农药）, and you are generally supporting family farms instead of large farms．And more often than not it is locally grown and seasonal, so it is more tasty．” Gold is one of a growing number of shoppers buying into the organic trend, and supermarkets across Britain are counting on more like him as they grow their organic food business．

B．Market research shows that Gold and others who buy organic food can generally give clear reasons for their preferences — but their knowledge of organic food is far from complete．For example, small amounts of pesticides can be used on organic products．And about three quarters of organic food in Britain is not local but imported to meet growing deman d. "The demand for organic food is increasing by about one third every year, so it is a very fast-growing market, "said Sue Flock, a specialist in this line of business．

C．Many cities around the world today are heavily polluted. Careless methods of production and lack of consumer demand for environment-friendly products have contributed to the pollution problem．One result is that millions of tons of glass, paper, plastic, and metal containers are produced, and these are difficult to get rid of．

D．However, today, more and more consumers are choosing "green" and demanding that the products they buy should be safe for the environment．Before they buy a product, they ask questions like these: "Will this shampoo damage the environment?" "Can this metal container be reused or can it only be used once?

E．Only a few years ago, it was impossible to find green products in supermarkets, but now there are hundreds．Some supermarket products carry labels（标签） to show that the product is green．Some companies have made the manufacturing （制造） of clean and safe products their main selling point and emphasize it in their advertising．

F．The concern for a safer and cleaner environment is making companies rethink how they do business．No longer will the public accept the old attitude of "Buy it, use it, throw it away, and forget it．" The public pressure is on, and gradually business is cleaning up its act．

They demanded that the books________ to the school library at once

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