13．Cycling-means riding a bike，is now popular among children from across the UK．Children like（41）Bto go to school or go traveling for a short journey．It can help（42）A money in petrol（汽油） cost．
With petrol price rising（上涨），families in the UK are trying to（43）D ways to make the cost less in petrol．So the parents encourage（鼓励） their（44）A to ride bikes to school．They say（45）D a child keep cycling to school all the year round，a family can save about￡300in petrol cost．
Also，cycling to school is good for children's（46）A．It can make them become healthier and（47）A their studies at school．"（48）B cycling to school every day，we become fitter，smarter and better learners，"a student called Tommy said confidently．
"It's great to see more people cycling，and I（49）D smile when I see a child on a bike．So many kids want to cycle，（50）C we should make it easy and safe for them to get around by bike and keep healthy，"another student，Mark said．
| 41．A．running | B．riding | C．driving | D．walking |
| 42．A．save | B．raise | C．spend | D．make |
| 43．A．think of | B．care for | C．look after | D．look for |
| 44．A．children | B．friends | C．families | D．neighbors |
| 45．A．whether | B．or | C．what | D．if |
| 46．A．health | B．mind | C．mood | D．feeling |
| 47．A．improve | B．change | C．affect | D．solve |
| 48．A．In | B．By | C．For | D．With |
| 49．A．only | B．never | C．seldom | D．always |
| 50．A．and | B．but | C．so | D．or． |
