对于J2经纬仪，如果竖盘指标差≥10″时，需要进行校正。（）
参考答案：对
—What a nice dress!
—Yes. It _____ in the supermarket yesterday. [ ]
A. buy
B. bought
C. is bought
D. was bought
根据资产信用风险的大小，将资产分为（）风险档次。
A.0
B.20％
C.50％
D.70％
E.100％
