There are more and more crimes ______ a lack of rules and regulations. 

Community Services Program aims for all members of the community to ______ to basic financial and material resources, information, advice and referral.

It takes small steps to create big change and this is __________ service-learning hopes to achieve.

—                     

—We offer special services such as personal belongings, express, holiday pick-up and delivery services and so on.

According to law, taxable services refer to transportation, ________, finance, insurance and the like.

I'll ______ the exchange rate and service charge and then type up the check for you.

International trade gives consumers and countries the opportunity to ________ goods and services not available in their own countries.

In electronic commerce information search and discovery services include .

Many companies spend a lot of money and time      their trademarks.

Trademarks, proprietary service marks and regulations need _____ carefully.

You have an existing Windows Communication Foundation (WCF) service that exposes a service contract over HTTP.
You need to expose that contract over HTTP and TCP. What should you do?（）

You are developing a Windows Communication Foundation (WCF) service. The service operation takes a customer number as the only argument and returns information about the customer. The service requires a security token in the header of the message. You need to create a message contract for the service.
Which code segment should you use?（）