What is the most famous sports in the US?
A. basketball
B. table tennis
C. football
D. rugby
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What is the motto is WADA?
A. Be different
B. connecting people
C. delighting you always
D. play true
水准测量成果整理时,闭合差的调整可按水准路线的测站数或距离成正比进行分配,其符号与闭合差相反。
A. √
B. ×
水准测量中, ____要求不放尺垫, ____ 要求放尺垫。
测量计算结果尾数凑整时,应遵循（）的原则。即:4.4凑整为4,4.6凑整为5;4.5凑整为4,即5.5凑整为6.
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