上表中“x”的值约为()。
A.101.9
B.103.6
C.108.4
D.110.5
参考答案:B
解析:
X值就是用总值减去其他即可,最接近的为103.6,所以选择B
As we know, paper is made wood, wood is made paper.[ ]
A. of; from
B. from; into
C.into; by
D. in; from
什么是接地线?