The term 'heavy user' used in the text refers mainly to______.
A．overweight eaters
B．people who are willing to spend the most money on fast food
C．people who frequently ate at a fast food restaurant
D．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.