15．A.making B．finding

　　C．recognizing D．feeling

　　解析：选D　他弄明白如何通过触觉感知不同颜色颜料的不同的质地来混合出不同的颜色。

　　16．A.apply B．control

　　C．combine D．move

　　解析：选A　他还学会了如何通过勾画图像和用他的手指来引导刷子去涂(apply)颜料。

　　17．A.hearing B．taste

　　C．smell D．touch

　　解析：选D　通过触觉，他能"看"到物体。

　　18．A.rapidly B．carefully

　　C．exactly D．possibly

　　解析：选C　他从未见过他的妻子和儿子，但是很明显他确切地知道他们长什么样子。根据下文他的肖像画(画得很像)可知他确切地知道他们长什么样子。

　　19．A.identities B．signs

　　C．proofs D．explanations

　　解析：选C　他的肖像画是(最好的)证明，他的手指像他的眼睛一样具有(超强的)感知能力。proof"证明"。

　　20．A.wealth B．business

　　C．notice D．respect

　　解析：选C　Bramblitt的艺术作品在世界各地的画廊获得关注。gain notice"获得注意"。

　　Ⅱ.阅读理解

　　Livescribe Echo Smartpen, $79.99

　　This pen not only records audio, but also records whatever the user writes and even draws. This translates to almost two hours of full audio, or 32,000 pages of written text. When using a Livescribe notebook, a college or high school student can easily edit notes without the disturbance of a laptop or tablet. This is perfect for the classrooms that don't allow the use of electronics. Best of all, it allows users to quickly deliver their notes to a computer or laptop.

　　Logitech Bluetooth Keyboard, $107.53

It is a great choice for those who own many different devices and want to use a keyboard over the ones that come with the device. It works on tablets, PCs and even smartphones. It offers four different settings for each device, so changing from one to the other is as easy as turning a knob(旋钮). It even has a cradle (托架) to hold a tablet at the