接触式引弧包括了哪几个阶段？常用于哪些焊接？
简述访谈法的缺点。
When launching a lifeboat in the rough sea，the davit gears should be released（）. before the boat is lowered from the stowed position。 as the boat fall blocks break clear of the davit head。 before the boat is lowered from the embarkation level。 after the boat is released into the water。
自然教育是适合人的本性的教育。
简述访谈法的优点。
根据业务性质，中国银行业营销人员可分为（）。
