工程中用于测量两点间水平夹角的常用仪器有()。
A.水准仪
B.经纬仪
C.测距仪
D.全站仪
参考答案:B, D
Though we met only once at my uncle’s birthday party, he persuaded ______ all my savings.
A.to lend him
B.me to lend
C.me into lending him
D.me into lending
同学们,如果你有乱丢纸屑的不良习惯,那你想过吗?回收1吨废纸,可以保护16棵树.清洁工人回收36.5吨废纸可以保护多少棵树呢?