Peter Singer seems to suggest that
A．we should cast away our logic and respect emotion in the first place.
B．we should not only concern about ourselves but start help each other.
C．people who live in abundance should give a hand to those in poverty.
D．we should cut off life support for the old to achieve the utilitarian goals.

判断题每一个D、FA都对应有唯一的一个NFA。()

未分类题The difference between modern cell phones and old phones lies in thatA．it requires more intelligence and education to use modem cell phones.B．it takes more weeks to get familiar with modem cell phones.C．modem cell phones are more complicated with many functions.D．modem cell phones are more mysterious tools for people.

未分类题The researches held by Motorola showed that the textually illiterate villagersA．were willing to use old machines with little functions.B．had to take some lessons to learn the new functions.C．could remember the major function of each button.D．would avoid reading the hierarchy menus of the machine.

判断题两个正规式等价，当且仅当它们所描述的正规集相同。()

未分类题Fogg believes that the future mobile phones could notA．teach illiterates to learn alphabets.B．understand the user's ideas and points.C．help users exercise their languages.D．become more direct and elegant.