Only experts can use an expert system.

In the animal rights (), much is made of the volume of pain these animals () in the name of medical science. Activists deny that we are trying to help and say it is () of our evil and cruel (). A more reasonable argument, however, can be advanced in our (). Life is often () to animals and human beings. Teenagers are flung from trucks and suffer severe head (). Young children () able to walk find themselves at the bottom of swimming pools while a parent is occupied with something else. From everyday germs to gang (), no life is free of pain. Physicians hoping to relieve the eternal suffering of these tragedies have only three choices: 1) create an animal model of the problem to understand the process and test new therapies; 2) experiment on human beings (some experiments will succeed, most will fail); or 3) leave medical knowledge static, hoping that () discoveries will lead us forward.

From: Christina Morgan To: Sean West Subject: Welcome message Date: August 15 Dear Mr. West, As you heard from your human resources manager at the companys new employee orientation session, we are your employers payroll service provider. Acme Payroll is a leading provider of Payroll system that supports larger organizations across Canada. We have the unique solutions that address the entire spectrum of data management problems. As a new employee, you are encouraged to follow instructions so that your daily work hours can be recorded accurately and that your salary payments can be made to you on time. First, go to www.achemepaysystems.com and log on using the temporary user name and password below. User name: milesconstruction_user 659 Password: 000250mcd Next, read the instructions thoroughly on the payroll policy. If you agree to all of the terms and conditions, click the "accept" button. Lastly, choose a new user name and password. Once you do this, you will be able to use your account to record your work hours in an automated time sheet. Christina Morgan Client Registration Specialist

What is the purpose of the e-mail？

A．To offer Mr. West a new position at Miles Construction Company

B．To give Mr. West basic information about a work procedure

C．To request Mr. West to submit an accurate time sheet

D．To remind Mr. West about an upcoming seminar

A、Provide the corresponding author’s full name.

B、Provide the corresponding author’s full Email address.

C、Explain that each coauthor has been seen and approved the final draft of the manuscript.

D、Reassure the editor that the information in your paper has not been published before.

A．artificial intelligence can be used in a lot of areas

B．artificial intelligence is mainly used in industry

C．there are many problems with artificial intelligence

D．it is difficult for people to make progress in the research of artificial intelligence

A．The importance of world knowledge.

B．People's support.

C．The role of expectations.

D．The conversational situation in interpreting sentences.

A．finding ways of focusing on only the relevant facts of a large database

B．keeping track of the justifications for beliefs

C．updating justifications when new information arrives

D．All of the above

A．game-playing is the center of all the programs

B．AI programs can not think in the way human beings do

C．if you often play games, your mathematics can be increased rapidly

D．some people are told to find solutions