Overhead bridges can be seen in many parts of Singapore， in the place where traffic is very heavy and crossing the road is 1 。

　　These bridges can make people 2 roads safely. Overhead bridges are used in very much the same way as zebra crossings.

　　They are more efficient (效率高的)， 3 less convenient (方便的) because people have to climb up a lot of steps. This is inconvenient to the old. When people 4 an overhead bridge， they do not hold up (阻挡) traffic. But when they cross a 5 road using a zebra crossing， traffic is held up. This is 6 the government (政府) has 7 many overhead bridges to help people and 8 traffic moving at the same time.

　　The government of Singapore has 9 a lot of money building these bridges. For their own safety， people should be given hope to use them 10 rushing across the road. Old people may find it a little 11 climbing up and down the steps， but it is still much safer than walking across the road 12 all the moving traffic.

　　Overhead bridges are very useful. People， 13 old and young， should 14 use them. This will stop accidents 15 happening.

　　1. A. noisyB. not safeC. crowdedD. not busy

　　2. A. cross B. crossing C. across D. through

　　3. A. though B. or C. if D. till

　　4. A. pass B. use C. visit D. build

　　5. A. wide B. narrow C. busy D. free

　　6. A. what B. why C. when D. where

　　7. A. made B. let C. built D. asked

　　8. A. see B. keep C. find D. feel

　　9. A. used B. made C. spent D. borrowed

　　10. A. full of B. fond of C. in spite of D. instead of

　　11. A. difficult B. different C. worried D. exited

　　12. A. past B. along C. about D. with

　　13. A. both B. either C. neither D. not

　　14. A. almost B. always C. nearly D. hardly

　　15. A. in B. at C. with D. from

　　学而思名师点评

　　新加坡，一个美丽的国家。但本篇着重介绍新加坡花费大量财力建筑立交桥，以及它们的利弊。最终得出结论，人们应该使用立交桥因为它们对防止交通事故的发生起很大的作用。

　　答案简析

　　B。本句是定语从句中的第二个小分句，做时特别要注意。意为“在交通拥挤和过马路不太安全的地方”。

　　A。make sb. do sth. 其它词性不对。

　　A。“效率高”与“不方便”意思上相反，故用though，有“尽管”的意思。

　　B。 pass与bridge无法搭配，而visit ，build与bridge搭配意思不符。

　　C。繁忙的马路。

　　B。why引导表语从句，意为“这就是……的原因”。

　　C。建造立交桥。。

　　C。keep … doing 意为“让……一直干某事” 。

　　B。spend…(in) doing 意为“在建立交桥上花费了大量的财力”。

　　D。建立交桥一方面有利安全，另一方面帮助人们。所以人们应该使用它们，而不是横穿马路(有如在建立交桥之前)。instead of “而不是”，“代替”。

　　A。 老人上下立交桥当然是有点困难，difficult形容词作宾语补足语。

　　D。指过去没有立交桥时，既有人又有车辆过马路，with“伴有”，“带有”。

　　A。两者都(老年人和年轻人)。

　　B。建议人们应经常使用立交桥，其它选项在意思上都不对。

　　D。固定短语stop sb. from doing，本句意为“阻止交通事故的发生。