Ⅲ.综合运用
Bike-sharing
As a new m__1__of transportation in many cities of China,bike-sharing is a great invention.
Now we all live in a polluted world.Factories discharge(排放)poisonous(有毒的)gas into the air and cars r__2___carbon dioxide(二氧化碳).All these c__3__global warming.Shared bikes don't produce pollution.Cycling,however,is a green way of transportation.They bring great c__4__to people as well.
However,each coin has two sides.First,the users of the bike-sharing services often park the bikes disorderly in the street.F__5__,some users ride the bikes on the car lanes(车道).This is very dangerous.Last but not least,some people c__6__the bikes their own and don't want others to use them.
The issue of making good use of shared bikes is still a problem that needs our a__7__.
1.m____________2.r____________3.c____________4.c____________5.F____________6.c____________7.a____________