单选题 Questions 9-13
Complete the sentences below with NO MORE THAN THREE WORDS OR A NUMBER from the passage.

填空题 The patent complaints concerning mobile-phone has risen by______annually since 2006.

填空题 Smart-phone is not just another kind of handset, but sophisticated computer, which is loaded with software and a combination of______and portable entertainment centre.

填空题 Mobile-phone companies have mostly acted like a______when it comes to intellectual property.

填空题 The competition in the smart-phone market is not only about individual products, but ______and______.

填空题 Patent costs account for______of a smart-phone's selling price, or about half of the cost of the hardware components.