Some species are better learner than others partly because______.
A．some animals prefer to remain dumb
B．some animals don't have a nervous system
C．learning may endanger some animals' health
D．they are better taught than others

判断题绩效管理有利于促进民主政治的发展。()

未分类题According to the text, the problem with the study of human nature is______.A．that it is mysteriousB．insights lead to more questions and mysteryC．it is almost always used for the wrong purposesD．there are too many competing theories

未分类题According to the first paragraph, children as an Internet market target group______.A．are using it at an earlier and earlier ageB．are overtaking the adult market due to their spending powerC．are growing at an incredible rateD．have created a growing advertising market

判断题现代市场经济国家政府的基本职能是建立并维护社会和市场秩序。()

未分类题The studies in the text seem to indicate that people tend to______.A．use accent as the main way to judge othersB．criticize those whose accents are different from their ownC．think their own accent is superior and stereotype accents of othersD．have very little knowledge about what constitutes a standard accent

判断题公共部门具有劳动密集型特征。()

未分类题The term 'heavy user' used in the text refers mainly to______.A．overweight eatersB．people who are willing to spend the most money on fast foodC．people who frequently ate at a fast food restaurantD．people who would order larger orders at a time

未分类题The frequency 849MHz doesnt interfere with the planes GPS system because______.A．it's out of the range of airline communicationsB．it's like a moving Starbucks hot spotC．it was sold to a Wi-Fi service providerD．it's received by the antenna on top of a plane

未分类题It is indicated in Paragraph 1 and 2 that______.A．all airlines provide Wi-Fi Internet serviceB．aircraft-communications' frequency is higher than that of Wi-FiC．airlines provide Wi-Fi service selectivelyD．not all mobile phones' signal will interfere with navigation

未分类题The main idea of the text is that______.A．accents are unfortunately often used to reinforce preexisting linguistic stereotypesB．accents are used to identify the social background of a speakerC．accents are generally used to form. negative opinions of the speakerD．we must stop discriminating against people due to accent

未分类题According to the text, the process of linguistic prejudice is deeper than it seems becauseA．accents may be viewed as forms of social identityB．accents are key ways to indicate class and prosperityC．accents are typically most distinct among minority groupsD．there is really no one accent that should be thought of as superior

未分类题According to paragraph 1, the author believes that communication skills areA．doubtlessly significant.B．to some extent important.C．inferior to breathing skills.D．a concern of the left-brain age.

未分类题According to the text, prolonged deficit spending may result inA．increasing investment.B．declined consumption.C．prosperous economy.D．expanded export.

判断题公共政策制定和执行的目的是解决私人问题。()

未分类题It can be inferred from the last paragraph thatA．temporary income tax cuts can not promote consumption.B．temporary deficit can make economy condition become better.C．temporary deficit spending has a negative effect on future economy.D．adequate taxation can boost the economy in a recession.