购买商业养老保险逐渐成为实现家庭成员“老有所靠、老有所养、自主养老”的一种重要理

腰椎间盘突出症患者小腿前外侧痛觉减退，跷无力，膝跟腱反射正常，判断病损的椎间盘为（）

A.腰_1~2

B.腰_2~3

C.腰_3~4

D.腰_4~5

E.腰₅～骶₁

Though having lived abroad for years，many Chinese still________the traditional customs.

A．perform　　　

B．possess

C．observe　　　

D．support

企业应当根据其生产经营特点、生产经营组织类型和成本管理要求，选择恰当的成本计算对象，确定成本计算方法。 ( )

On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.

A.2 pounds of condensed milk

B.a signaling whistle

C.3 litres of water

D.a life preserver

进行免疫荧光检查时，病变上皮细胞之间呈现鱼网状的荧光图形提示为

A．白斑

B．类天疱疮

C．红斑狼疮

D．扁平苔藓

E．寻常性天疱疮