A catch up B fall 8part C lag behind D set aside

A enormous number of cyclists B numerous winding main sLreets C heavy traffic and complex terrain D complicated and changeable weather

A optimistic B impartial C critical D favorable

A can increase the risk of death B will inevitably lead to diabetes C may bring the problem of obesity D has something to do with certain diseases

A called for food companies to adopt some measures B criticized the food industry and the unwise consumers C called on consumers to take action against unhealthy food D intended to write a detailed guide to the producers'violation

A Working males. B Senior citizens. C Working women. D Unemployed people.

A how to be affluent B how to be habitable C how to boost cycling D how to reduce pollution

A He initiated a bike-hiring scheme called"Boris bike". B He made great effort to build infrastrucLure for cycling. C He is a man with strong ambition and great perseverance. D He supervised the construction of the new cycle highway.

A Without B Through C Between D Within

A pay for B kick away C look for D stay away