地基内一点的应力状态为σz=125kPa，σx=60kPa，τzx=τxz=25kP

已知一次函数y=kx-b，要使函数值y随自变量x的增大而减少，且与y轴交于正半轴，则kb______0．

—What's she doing at the supermarket?

—She is doing ________ for the family. [ ]

A. the shop

B. the shops

C. the shopping

D. the shoping

Laws have been passed in parts of South Africa, _____ governments either tax

shoppers who use plastic bags or fine companies that hand them out.  [ ]

A. which          

B. where          

C. as            

D. what

下列字符中，其ASCII码值最小的是______。

A．Y

B．A

C．x

D．a

下列项目中，不符合注册税务师职业道德规范的行为足( )。

A．以税法为行为准绳，遵守有关法律和行政法规
B．坚持独立、客观、公正、高效的原则，正确应用税收法律法规政策，依法处理委托人委托的税务事宜
C．为委托单位保守秘密
D．因佣金或服务费的高低而影响客户利益