The expectancy-value model of attitude formation posits that consumers evaluate products and services by combining their__（）

A . Class-based Model B . Maximum Allocation Model C . Russian Doll Model D . Global Tunnel Model E . Policy-based Model

A . a class can be identified as a single application， multiple applications with similar service needs，or be based on the source or destination IP address B . a drawback of the DiffServ field in the MAC header to mark frames into behavior aggregates （BAs） C . DiffServ uses the DiffServ field in the MAC header to mark frames into behavior D . the DiffServ field occupies the same eight bits of the MAC header that were previously used for the ToS field E . the first six high-order bits of the DiffServ field are used to identify the Resource Reservation Protocol （RSVP） value F . the primary goal of DiffServ is scalability

A . made；is sailing B . has made；is sailing C . made；sails D . has made；sail

A . The application layer B . The session layer C . The data link layer D . The transport layer E . The network interface layer F . The physical layer

A . RSVP that signals QoS requests per individual flow B . not scalable to large implementations C . admission control not supported D . use of dynamic port numbers  E . UDP not supported

A .  The init method on a filter is called the first time a servlet mapped to that filter is invoked B .  A filter defined for a servlet must always forward control to the next resource in the filter chain. C .  Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file D .  If the init method on a filter throws an UnavailableException， then the container will make no further attempt to execute it

A . At most one listener of each type can be registered with a component. B . Mouse motion listeners can be registered on a List instance. C . There exists a class named ContainerEvent in package java.awt.event. D . There exists a class named MouseMotionEvent in package java.awt.event. E . There exists a class named ActionAdapter in package java.awt.event.

A . Policy-based Model B . Class based Model C . Russian Doll Model D . Global Tunnel Model E . Maximum Allocation Model

A . service guarantee B . traffic that is divided into classes C . not scalable to large implementations D . QoS mechanisms that are used without prior signaling E . applications that signal their particular QoS and bandwidth requirement

A . application layer B . session layer C . transport layer D . internet layer E . network layer F . data link layer G . physical layer

A . Application B . Internet C . Transport D . Network E . Data Link

A . Flat earth B . 3-D Square C . Trapezoidal D . Round earth

A . distilling condenser B . salt water feed heater C . distillate cooler D . flash chamber

A . ping B . Telnet C . FTP D . TCP E . IP

A . Consumer direct store model B . Advanced B2B direct store model C . Demand chain store model D . Advanced Demand chain store model E . Marketplace hub store model

A.different activities B.different project size C.different project management manner D.different way of activity organization

A．Households． B．Firms． C．Government． D．MarketsforFactorsofProduction．

A．The number of firms adopting each business model. B．Which is the more respectable method to advertising. C．Whether to make users pay for what they download. D．whether to allow users to keep what they download.

Exercise 7 Rewrite the sentences after the model. MODEL: During the second week I was at college, I had to go out and look for a bank. I could open an account in that bank. During the second week I was at college, I had to go out and look for a bank where I could open an account. 1. We want to look for a place. There are no cars parked on the streets in that place.