D．overjoyed

　　答案　A

　　解析　ashamed感到害羞的；shocked感到震惊的；puzzled感到迷惑不解的；overjoyed非常高兴的。这位老师本可以让Doris因自己的错误而感到羞愧。故选A。

　　28．A.as for

　　B．because of

　　C．despite of D．apart from

　　答案　B

　　解析　as for至于；because of因为；despite of尽管；apart from除……之外。因为她愿意忽视Doris的错误，Doris就和自己的下一代分享了她的友好。故选B。

　　Ⅲ.语法填空(建议用时10′)

　　Many of us were raised with the saying “Waste not，want not.” None of us，however，can 29.completely(complete)avoid waste in our lives.Any kind of waste is thoughtless.Whether we waste our potential talents，our own time，our limited 30.natural(nature) resource，our money,31.or other people’s time，each of us can become more aware and careful.The smallest good habits can make a big 32.difference(differ)．It’s a good feeling to know in our hearts we are doing our best in a world 33.that/which is in serious trouble.By focusing on 34.saving(save) oil，water，paper，food，and clothing，we are playing 35.a part in cutting down on waste.

　　We must keep reminding 36.ourselves(we) that it is easier to get into something than it is to get out of it.Actually，severe damage 37.done(do) to our land is fairly recent in the history of our evolution.It’s time for us to say no to waste so that our grandchildren’s children 38.will be(be) able to develop well.We can’t solve all the problems of waste，but we can encourage mindfulness.

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