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“Itisnotyetclearhowlongitwilltakeuntil3-Dprintersareavailabletoeveryone.”可知D项正确。根据“Evenbigcompaniesarebehindthetrend.”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“Butonethingisforsure:thepossibilitiesareendless.”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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