影响角度测量成果的主要误差是（）。
A.仪器误差
B.对中误差
C.目标偏误差
D.竖轴误差
E.照准个估读误差
参考答案：A, B, C, D, E
— I heard that you made a bicycle trip to the 2010 World Expo of Shanghai alone.
— No. Actually, my friend Bob ______ me. [ ]
A. accompanied
B. conducted
C. instructed
D. received
（）坚定，是好干部第一位的标准。
A、理想信念
B、政治
C、道路
