A imposing extra taxes on vehicles B setiing"no-emission zone"for cars C cutting iail gas emission of vehicles D encouraging people not to drive cars

A air quality B eating habit C living standard D medical condition

A describe the busy streets in Britain B discuss the problem of air pollulion C stress the improvement of air quality D show the link between car and pollution

A they are much cheaper than pelrol cars B they use less fuel and save more money C they produce less carbon dioxide than all cars

A sympa山etic B pessimistic C concerned D objective

A handsome B delicate C splendid D trivial

A taken off B sold up C turned around D shut down

A On B In C Over D At

A estimate B spend C evaluale D cover

A indefinitely B extremely C inevitably D remarkably