A.the participants may have never been to the surveyed cities
B.it focuses on products sold in the shops of the cities
C.the surveyed cities are ranked from best to worse
D.people’s opinions are posted on magazines and television

A.answers
B.words
C.groups
D.degrees

A.living
B.finding jobs
C.taking holidays
D.shopping

A.The End of General Knowledge?
B.The Age of the Robot?
C.Novel Applications of the Sat-Nav System
D.New Perspectives on Tertiary Education

A.The End of General Knowledge?
B.The Age of the Robot?
C.Novel Applications of the Sat-Nav System
D.New Perspectives on Tertiary Education

A.Because the taxi driver was over-dependent on technology.
B.Because the search engine in the taxi failed to work.
C.Because he did not remember the directions to the stadium.
D.Because the Sat-Nav in his car was out of order.

A.submitted
B.exchanged
C.imposed
D.assigned

A.the story
B.the Internet
C.the question
D.general knowledge

A.\( - 2 \le x \le 1\)
B.\(x \le 1\)
C.\(x \le 2\)
D.\( - 1 \le x \le 2\)

A.\(F\left( x \right) = 2\sin \dfrac{x}{2}\)
B.\(F\left( x \right) =  - \sin \dfrac{x}{2}\)
C.\(F\left( x \right) = \sin \dfrac{x}{2}\)
D.\(F\left( x \right) =  - 2\sin \dfrac{x}{2}\)