职称英语职称英语理工类全国专业技术人员职称英语等级考试理工类(C级)模拟试题(一)
题目内容

What is the most important feature of the backpack invented by Lawrence C. Rome and his colleagues、

2024-07-09

A.It produces electricity for electronic devisees 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.

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