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问题 单项选择题

水平角观测中，盘左起始方向OA的水平度盘读数为358°12’15”，终了方向OB的对应读数为154°18’19”，则∠AOB前半测回角值为：（）

A.156°06′04″

B.-156°06′04″

C.203°53′56″

D.-203°53′56″

答案

参考答案：A

单项选择题

确定性决策称为（）

A.个人决策

B.集体决策

C.客观决策

D.常规性决策

E.主观决策
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单项选择题

When Joe was left to live with those people, he found that they were so ______ of life that he couldn't stay with them.

A．painful

B．disdainful

C．meaningful

D．fruitful
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