Para. 4
1. The future? Bosses could measure brain activity through the scalp and tell whether a worker is performing well, working hard, or too tired to do the job properly.
译文：
未来会怎么样呢？老板可以通过测量大脑活动来判断工人的工作状况：表现良好，积极努力，或是疲劳得无法正常工作。
2. Ongoing computer analysis could tell whether a worker, such as an air traffic controller, is seeingall the activity clearly enough to monitor it well.
1) ongoing: adj. “持续的；进行中的”
e.g.
a. As part of our ongoing effort to improve customer satisfaction, we are conducting a short survey.
作为我们不断努力提高顾客满意度活动的一部分，我们正在进行一个简短调查。
b. Work to improve this situation is ongoing.
人们正在努力改变这种状况。
2) analysis: n. “分析”
e.g.
a. There is no discussion of how data analysis was undertaken.
关于数据分析没有进行任何讨论。
b. I accepted her analysis of the situation.
我同意她对形势所作的分析。
in the final/last/ultimate analysis “归根结底，总之”；
make an initial diagnosis “做初步诊断”。analysis的复数是analyses; analyze/analyse v. “分析”；analyst n. “分析者”；analytic/analytical adj. “分析的”。
3) tell: v. to show or reveal, to make known “显露，显示”
e.g.
a. Your expression tells me everything.
你的表情向我表明了一切。
b. This test can tell whether you’re pregnant or not.
这个测试可以看出你是否怀孕了。
译文：
通过持续的电脑分析能够判断工作人员，比如飞行调度员，是否在很仔细地照看所有必须监控的情况。
Para. 5
More and more, doctors will use computers for medical diagnosis and treatment.
1) more and more: “日益，越来越······；越来越多的”
e.g.
a. More and more, we are seeing an increase in viruses attacking the Internet.
我们看到袭击因特网的病毒在日益增加。
b. More and more, people are choosing to spend their holidays abroad.
人们越来越多地选择到国外度假。
2) treatment: n. “治疗”
e.g.
Early diagnosis and treatment can prevent serious problems.
早期诊断和治疗可以防止出现严重问题。
其他相关词汇：examine “检查”；diagnose “诊断”；cure “治愈”; prescribe “开处方”；discharge “使······出院”
diagnosis n. 诊断
e.g.
a. What was the doctor's diagnosis of your disease?
医生对你的病作出了什么诊断？
b. Please translate the diagnosis into terms I can understand.
请用我能理解的术语来讲解一下这份诊断。
译文：
你的医生
医生们将越来越多地使用电脑进行诊断和治疗。
Para. 6
1. You will visit your doctor, and find that he uses a computer screen and visual information about your condition, instead of his textbooks.
1) visual: adj. relating to sight or seeing “视觉的，视力的”
e.g.
Television news brings us visual images from around the world.
电视新闻给我们带来了世界各地的视觉图像。
visual arts 视觉艺术；visual aid 直观教具；visual examination 视力检查
2) condition: n. an illness or health problem “病”
e.g.
David has a severe heart condition.
戴维有严重心脏病。
3) instead of: rather than “代替，而不是”
e.g.
Their children go to school in boats instead of on foot.
孩子们坐船而不是步行去上学。
比较：
She never studies. Instead, she plays tennis all day.
她从不学习。相反，她整天打网球。
If I can’t cope with the gym, I go swimming instead.
如果做不了室内健美操, 我就去游泳。
译文：
你去看病时会发现医生不再依靠教科书，而是使用电脑屏幕上提供的有关你病情的直观信息进行诊疗。