A. Bob remembered all his lines. Bob performed very naturally. C. Bob should be proud of himself. D. Bob should have performed better.
A. 111.333 B. 110.889 C. 110 D. 120
A. 复合水准路线 B. 附和水准路线 C. 闭合水准路线 D. 支水准路线
A. 水准器 B. 基座 C. 水平度盘 D. 三脚架
A. 水平角 B. 竖直角 C. 可以间接测量高差 D. 身高
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