【解析】 推理判断题。根据第二段中的Here's how it works...知冒号后面的内容是描述the LongPen的工作原理的。根据The author writes a personal message and signature on a computer tablet using a special pen.On the receiving end,in another city,a robotic arm fitted with a regular pen signs the book.可知B项“它在收到作者的签名时在书上签字”与文意符合。A项“它复制作者的签名并把它印在书上”以及D项“粉丝自己用它复制作者的签名”在文中都未涉及;根据第二段中的The author and fan can talk with each other via webcams and computer screens.知C项“网络摄像机把作者的签名发送到另一个城市”是错误的。
【答案】 B
3.What do we know about the invention of the LongPen?
A.It has been completed but not put into use.
B.The basement caught fire by accident.
C.Some versions failed before its test run.
D.The designers were wellprepared for the difficulty.
【解析】 细节理解题。根据第三段中的The device went through several versions...The inventing finally completed...可知C项“在测试之前the LongPen有几个版本失败了”与文意符合;根据第三段中的...the LongPen was officially launched at the 2006 London Book Fair.可以排除A项“它已完成,但还没被投入使用”;根据第三段中的including one that actually had smoke coming out of it可知一支笔还曾冒烟,可以排除B项“地下室意外着火了”;根据第三段中的第二句At first,they had no idea it would be as hard as it turned out to be.可以排除D项“设计者为困难做好了准备”。
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