根据拼音写出相应的词语。

    Once a year, a race is held for old cars. A lot of cars entered for this race last year and there was a great deal of ____(excite) just before it began. One of the most handsome cars was a Rolls-Royce Silver Ghost____most unusual car was a Benz ____had only three wheels____ (build) in 1885, it was the oldest car taking part. After a great many loud explosions(轰响),the race began. Many of the cars ____ (break) down on the way, so some drivers spent ____(much) time under their cars than in them! A few cars____ completed the race. The winning car reached a speed of forty miles an hour-----much faster than any of____ (it) rivals. It sped downhill at the end of the race and the driver had a lot of trouble ____(try) to stop it. The race gave everyone a great deal of pleasure. It was very different____modern car races but no less exciting.

按从整体到部分的顺序排列词语。

①西藏　　中国　　拉萨　　世界 ____

②萝卜　　蔬菜　　植物　　生物 ____

③电视　　遥控器　按钮　　电器 ____

④学校　　年级　　小组　　班级 ____

中央电视台“2016寻找最美教师”大型公益活动属于物质文明创建活动。（  ）

小孩从滑梯上匀速滑下的过程，受到的力有 3 个，分别是重力、____，____。