(1)存在。甲公司为非银行或类似金融机构，由该审计客户提供贷款担保，将因自身利益产生非常严重的不利影响，导致没有防范措施能够将其降至可接受的水平。

(2)存在。会计师事务所项目组以外的合伙人或员工，与审计客户的董事、高级管理人员或特定员工之间存在家庭或私人关系，可能会因自身利益、密切关系或外在压力产生不利影响。

(3)存在。由于该信息技术系统构成财务报表内部控制的组成部分，且其生成的信息对会计记录影响重大，XYZ咨询公司不能够为甲公司提供与操作信息技术系统相关的服务。

(4)不存在。审计项目组成员从审计客户购买商品，如果按照正常的商业程序公平交易，通常不会对独立性产生不利影响。

(5)不存在。A注册会计师为甲公司提供财务报表审计服务没有超过5年的期限，不违反职业道德守则的规定。

(6)存在。审计项目组成员接受审计客户甲公司的礼品，将产生非常严重的不利影响，导致没有防范措施将其降低至可接受的水平。

【Answers】

(1)Exist.It will have an adverse effect.Company A is a non-bank or similar financial institution.The loan guarantee provided by the audit client will have a very serious adverse impact on its self interests，resulting in no safeguard to reduce it to an acceptable level.

(2)Exist.A family or private relationship between a partner or employee outside the accounting firm's project team and the auditing client's directors.senior management or specific employee may be adversely affected by their own interests,close relationships or external pressures.

(3)Exist.Since the information technology system forms part of the internal control of the financial statements and the information generated by it has a significant impact on the accounting records,XYZ Consulting cannot provide Company A with services related to the operation of the information technology system.

(4)Does not exist.There are no adverse effects.Audit team members buy goods from audit clients and,if traded fairly in accordance with normal business procedures,usually do not adversely affect independence.

(5)Does not exist.CPA A has not provided the company with financial statement auditing services for more than 5 years and does not violate the code of ethics.

(6)Exist.Audit team members accepting audit client A's gift will have a very serious adverse effect.resulting in no safeguard to reduce it to an acceptable level.