本文是一篇科普文。大学生Albert Manero利用3D打印技术帮助残疾儿童制造义肢。
1. 答案
C
解析
根据第四段的第一句Manero was driving his car when he heard a story on the radio about a man in South Africa who used a 3D printer to make a new hand可知,Manero开车时听广播说南非有一名男子利用3D打印技术制造了一只新手臂,由此他得到了灵感。
2. 答案
C
解析
根据第三段的最后一句The costs are so steep for childhood prosthetics because of children’s quick rate of growth and the need to always be replacing the limbs可知,儿童生长快,义肢需要经常更换,费用太高,Alex的家庭负担不起。
3. 答案
D
解析
根据最后一段的最后一句There’s no reason why this approach shouldn’t work on adults either可知,Manero接下来会把3D打印技术用在成年人身上。
4. 答案
B
解析
Manero帮助残疾儿童说明他是善良的;他能利用3D打印技术制造出义肢说明他是聪明的。故选B项。
Since the moment Darnell Wynn was diagnosed with ovarian (卵巢的) cancer, she has refused to let the disease keep her from her passion — running. This weekend she and a group of supporters gathered together and ran the Partner Re 5K route to raise awareness of ovarian cancer. She is a two-year survivor.
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