Day 4
1. 咖啡因和失眠
Although it is sometimes claimed that consuming caffeine at high levels does not cause insomnia, statistical evidence shows that it does. Study after study has found that people with high levels of caffeine consumption from beverages such as coffee, tea, and soft drinks are far more likely to suffer from insomnia than people who consume little or no caffeine.
Which of the following is an assumption on which the argument depends?
A. Consumption of caffeine from sources other than coffee, tea, and soft drinks is unlikely to cause insomnia.
B. Caffeine consumption is the only commonly occurring cause of insomnia.
C. People suffering from insomnia do not typically respond to their lack of sleep by consuming much more caffeine than they would if they did not suffer from insomnia.
D. The only evidence available to show whether caffeine causes insomnia is statistical evidence showing correlations between caffeine consumption and insomnia.
E. Anyone who regularly consumes caffeine in more than moderate quantities will suffer from insomnia.
2. Computer worms
computer worms are mostly malicious. However, one of the widespread computer worms adds security features for infected computers. However, although the creator of this computer worm had good intention, he did more harm than good. explain this discrepancy. 这个worm可能会“免疫逃逸”?还会使得别的病毒也复制他的特征更容易攻击电脑? 3. Motorized TM 维修
做了一个调查,motorized TM 十年中10%需要维修,non-motorized TM 只有2%需要维修。如果人们想在日常使用中不被disrupt or disrupt更少,就应该用non-motorized。问assumption
选项有
A: 做survey的这些人,买motorized的和买non-motorized的一样多
B: 买motorized TM的人没有比买non-motorized TM的人用的次数更多 |