2. 外语
  3. Backpacks are convenient because What is the most important feature of the backpack invented by Lawrence C. Rome and his collea

Backpacks are convenient because What is the most important feature of the backpack invented by Lawrence C. Rome and his collea

admin2009-06-15  39
问题 Backpacks are convenient because
What is the most important feature of the backpack invented by Lawrence C. Rome and his colleagues?   
选项 A、It produces electricity for electronic devices while the wearer walks.
B、It can be used as cell phones, GPS in the military actions or field studies.
C、It is small and convenient.
D、It is light and easy to carry.
答案A
解析 第二段的第一句说，Lawrence C. Rome及其同事们发明的这种背包，当背着背包走路时，会有电能产生；该段最后一句告诉我们，背包的这种性能可减少背包的重量，因为不必携带备用电池。
转载请注明原文地址:https://jikaoti.com/ti/ltOsFFFM
本试题收录于： 职称英语理工类基础题库职称英语分类
0

职称英语理工类基础

职称英语

相关试题推荐
随机试题
最新回复(0)