Hallowell argues in his new book, Driven to Distraction at Work: How to Focus and Be More

A. spreading
B. learning
C. protection
D. imitation

A. invasion of personal space
B. damage to the artwork
C. waste of printed guidelines
D. danger to camera users

A. visitors are overcrowded in museums
B. existing rules don" t work
C. museums are taking action
D. people like to wave the sticks

A. should keep quiet
B. may be easily distracted
C. cannot stretch arms three times
D. capture the shots of balconies and stairs