試題詳解

複選題
40 (AB) Dyson funneled the profits into setting up his own company.  (AC) The Dyson array of technologies will culminate in this single, highly anticipated product offering, to be unveiled in 2020.  (AD) It’s often said that necessity spawns invention.  (AE) A working team of around 400 engineers and a budget of at least US$2.6 billion are proof of Dyson’s commitment to the ambitious project.  (BC) Five years and more than 5,000 prototypes later, the first bagless vacuum cleaner became a reality.  (BD) Their product line includes fan-heater combinations, ultrasonic humidifiers, air purifiers, and washing machines.  (BE) Dyson’s disappointment motivated him to come up with a new design that would eliminate the problem and create a better vacuum.