单项选择题

A new digital technique has been developed that can identify whether two works of art are by the same artist（）

A．人们发展完善了一项新的数字技术，以判断是否同一艺术家在做两件艺术工作。
B．假如由同一艺术家完成两件艺术品，这项识别技术就能发展完善。
C．一项能够识别两件艺术作品是否出自同一艺术家之手的新数字技术已经被开发出来。
D．人们开发出了一项新的数字技术，这项数字技术能够判断两件艺术工作是否为同一艺术家所做。

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Osaka (大阪) was Japan’s greatest commercial city in ancient times and is the city with Japan’s biggest castle (城堡)．Modern Osaka is a good place to see commercial and industrial Japan．The castle is the most interesting tourist attraction in the city．It was built in 1586．The easiest way to get to Osaka is on the world-famous bullet train(新干线)from Tokyo，which travels over 210 kilometers per hour．It is said to be the cleanest train in the world.

单项选择题

As a general rule，it is better to focus on the content of a presentation as a means of attracting your andience’s attention（）

A．一般来说，它最好将重心放在讲解的内容上，使之成为吸引观众注意力的方式。
B．一般的规则是，它最好集中在礼物的内容上，这比吸引观众的注意力更好。
C．一般的规则是，它最好注重讲解的内容，这意味着可吸引到观众的注意力。
D．总的说来，最好把重点放在讲解的内容上，借此来吸引观众的注意。