According to the first two paragraphs, cities______.
A．are facing threats from electronic communications
B．are becoming less densely populated
C．are seeing less physical communication among citizens
D．are enjoying great potential for development

未分类题The phrase 'merger between physical and digital environments'(Line 4, Para. 4)means______.A．connection between city residents and the data they produceB．combination of existing infrastructures and the internetC．joining of real-life neighbourhoods and virtual communitiesD．integration of the urban world and the data it generates

未分类题The last sentence in Paragraph 6 implies that instant messaging______.A．may produce negative effect in curbing crimeB．might cause harm to citizens' privacyC．encouraged the occurrence of London riotsD．contributed greatly to the suppression of London riots

未分类题The first two paragraphs imply that in group decision-making______.A．human beings are anything but as smart as honeybeesB．human beings seldom employ democracy as honeybees doC．human beings have yet a lot to learn from honeybeesD．human beings make a discussion without a decision as honeybees do

未分类题In the authors view, Jack Langs action against English is______.A．insaneB．reasonableC．cautiousD．laughable

未分类题To which of the following statement would Ariely agree?A．A bit of deception invites no harmB．We are unlikely to be truly honestC．We are driven by economic modelsD．People tend to cling to moral codes