控制是保证各项活动按计划进行并纠正各种偏差的过程，控制过程的最后一步是（）。
A.制订标准
B.衡量实际绩效
C.纠正偏差
D.修改计划
参考答案：C
During the two conferences, the journalists from the whole country _______ many problems the peasants were greatly concerned about.
A．referred
B．dealt
C．covered
D．interviewed
TIG-R40焊丝牌号中“TIG”表示（）
A.钨极氩弧焊
B.氩气
C.氩气焊丝
D.钨极
