有限责任公司变更为股份有限公司的，或者股份有限公司变更为有限责任公司的，公司变更前的债权、债务由（）承继。 ["变更后的公司","变更前的公司","变更前的股东","变更后的股东"]
A reservoir, as used in hydraulic systems aboard ship, is used to store hydraulic oilAnother function is to（） ["act as a shock absorber","maintain the stored oil under pressure","act as a base or foundation for the power unit","eliminate pressure surges in the system"]
以下哪几种条件可以生成潜在客户号（） ["A.潜在客户姓名+性别+手机号码","B.潜在客户姓名+证件类型+证件号码","C.客户姓名+性别+证件号码","D.证件类型+证件号码+手机号"]
史密斯预估算法和达林算法都是解决系统（）问题的算法。
An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when（）. ["she is not within a special area","she is within a special area","she has just departured from a special area","she is about to enter a special area"]
简述用槽筒摩擦传动时的防叠措施。
