答案:B

　　3.We can infer from the article that 　. 

　　A.people can create any object they want,with any material,thanks to 3-D printing

　　B.3-D printed organs and limbs are as effective as real ones

　　C.big food companies are major players in the 3-D printing industry

　　D.there could still be a long way to go before everyone can have access to 3-D printing

　　解析:推理判断题。根据“It is not yet clear how long it will take until 3-D printers are available to everyone.”可知D项正确。根据“Even big companies are behind the trend.”可知C项错误。A、B两项的描述文中均没有提到。

　　答案:D

　　4.What is the author’s attitude toward the development of 3-D printing?

　　A.Doubtful.　 B.Hopeful.　 C.Critical.　 D.Worried.

　　解析:观点态度题。纵观全文以及最后一句“But one thing is for sure:the possibilities are endless.”可知作者介绍了3-D打印技术的发展前景,字里行间都充满了期待。

　　答案:B

　　Ⅳ.语法填空

　　阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

　　Inequality between men and women results in poorer health for children and greater family poverty,according to a new study.The UN agency Unicef found that,　1　 the situation has slightly improved,many women are still not included in family decisions,　2　as a result their children are more likely to suffer from poor health. 

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