无砟轨道调整完成后应对轨道的(),()进行全面的复检。
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Evaluate this SQL statement: e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if you remove all the parentheses from the calculation?()
A. The value displayed in the CALC_VALUE column will be lower.
B. The value displayed in the CALC_VALUE column will be higher.
C. There will be no difference in the value displayed in the CALC_VALUE column.
D. An error will be reported.
我国进口关税税率包括()。
A. 协定税率
B. 普通税率
C. 最惠国税率
D. 特惠税率
检验设备,用兆欧表测量绝缘电阻时应选用()兆欧表。
A. 500V
B. 1000V
C. 2500V