角度的测量采用（）来进行。
A.水准仪
B.经纬仪
C.平板仪
D.线坠
参考答案：B
—How much will you be paid?
—Judy, I don't do it for money, but for experience. , it's voluntary (志愿的) work. [ ]
A. However
B. Besides
C. Finally
D. Possibly
世界上地震最频繁的国家是______；产油最多的地区是______．
