篮球 Basketball

　Do you know when basketball was invented? The sport of basketball is a little over a hundred years old. It is played by more than 100 million people in over 200 countries.

　　Basketball was invented by a Canadian doctor named James Naismith who was born in 1861.It is believed that on December 21st, 1891 the first basketball game in history was played. Then in 1936 in Berlin, it became an Olympic event. Since then, the popularity of basketball has risen worldwide.

作文地带引导拓展学习：

Basketball was___ by a Canadian doctor named James Naismith，who was bornin 1861.

invented．根据所给信息提示结合语境推测句意是"篮球是一个名叫的加拿大医生发明的，这名医生出生于1861年．"，根据设空处前面的was结合句意确定用一般过去时的被动语态，一般过去时被动语态的构成是：主语+was/were+动词的过去分词，所填单词"发明"是invent.

It is believed that ____ December 21st, 1891, the first basketball game in history was played。

A.  in

B.  at

C.  by

D.  on

[解析]

试题分析:句意:人们相信,历史上第一场足球赛是在1891年12月21日举行的。In 在……里面;at 在某个时间点;by到……什么时候;on在某一天.此处是具体到某一天。故选D.