皮皮学，免费搜题
登录
搜题
【单选题】
( )是机器最基本的组成要素,是制造的最小单元。A.
机构
B.
构件
C.
零件
D.
部件
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Evelyn's ________ is the practical use of solar power in a vacuum cleaner that is designed to effortlessly vacuum clean the floors of on-the-go and elderly consumers.
A.
product placement
B.
product concept
C.
product image
D.
product idea
E.
virtual product
【单选题】He warned that if the President tried to _______control, the country would be sucked into a power vacuum.
A.
enforce
B.
endanger
C.
enrich
D.
encounter
相关题目：
参考解析：
知识点：
题目纠错 0
发布
