以较小的力量获得较大效果的现象称为( )
A.杠杆作用
B.放大作用
C.牛鞭作用
D.变异作用
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/687210.html
上一篇:While income worry is a rather common problem of the aged, ____1____. Of all thereasons that explain their loneliness, a large geographical distance between parents and their children is the major one. This phenomenon is commonly known as “Empty Nest
下一篇:下列原则中,属于合同履行特有的原则是()