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　　答案：delighted→delight　to one's delight "令某人高兴的是"。

　　Ⅲ.语法填空

　　In Britain someone who helps children cross the street __1__ (call)"lollipop person"， because their sign looks like a lollipop (棒棒糖)．

　　The job of a lollipop person is to walk to the middle of the road at a(n) __2__ (suit) time, holding up the sign. It is a legal __3__ (require) for traffic to stop at this command. The lollipop person will signal that it is all right to cross the road __4__ (safe). Traffic may only move once the sign has been lowered.

　　Generally speaking, school crossings are manned for approximately 3 hours a day or less. As a result, the work has always appealed more __5__ people seeking to supplement their income such as __6__ retired.

　　Lollipop people were introduced to enable policemen, __7__ had previously run crossing patrols (巡逻), to perform other duties. The earliest lollipops were red and black rectangles __8__ (say)"Stop, children crossing."

　　In 2001 in Europe patrollers were given extra powers allowing them __9__ (assist) adults with crossing, too. The most recent change in the history of the School Crossing Patrol saw the word "children" __10__ (replace) with a symbol to bring the UK in line with the rest of the EU (欧盟)．

　　1．________ 　2.________ 　3.________ 　4.________ 　5.________ 　6.________ 　7.________ 　8.________ 　9.________ 　10.________

　　篇章导读：本文是一篇说明文，介绍了英国协助交通的交通安全员的情况。

1．is called　考查动词的时态和语态以及主谓一致。此处描述的是客观事实，应用一般现在时；call意为"把......叫作"，与主语someone之间是动宾关系，应用被动语态；因主语someone是单数概念，所以谓语动词应用单数形式。故填is called。