even for those jobs that many of you may feel ______with,there are people who are working on ____are called 'expert _____' to be able to take jobs
away from doctors and ______and lawyers.
[参考译文]甚至那些许多人认为很保险的职业也不例外，现在一些人正在开发“专家系统”，它们将可能夺走医生、法官和律师的饭碗。
参考答案：secure, what, systems, judges
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the problem is the _____of time necessary for the ________of the message,___will take minutes or hours to travel,because radio and light waves
travel at the _____of 186,000 miles a second and cannot be hurried up.
[参考译文]问题在于传递这些信息所需要的时间往往是数分钟甚至数小时，因为每秒钟以186000英里的速度运行的无线电波和光波是无法再加快的。
参考答案：length,transimission,which,rate.