天然建筑材料的储量计算方法包括以下()。()
A. 算术平均法
B. 平行断面法
C. 三角形法
D. 等值梁法
法国电报电文中一般()
A. 不用冠词介词
B. 可用冠词介词
C. 必须用人称代词
D. 不能压缩文字
The completely new method was _______ by Jack.
A. discovered
B. invented
C. created
D. produced
Nick had _______ the fuel gauge _______ and spread through his inexperience.
A. aken…aside
B. set…aside
C. scatter…around
D. taken…apart