A. It has not been widely adopted by companies. B. It is being used more and more widely. C. It has been used too much. D. It has already been outdated.
A. 20%–40%. B. 30%–50%. C. 40%–60%. D. 40%–80%.
A. Increased productivity. B. Lower start-up and maintenance costs. C. Better and more unique features. D. It can be easily set up.
A. Phones and printers. B. Computers with Internet connection. C. Phones, printers, and fax machines. D. Phones and computers with Internet connection.
A situation in which people enjoy much freedom. B. People can express their anger freely. C. Without involving many problems and much effort. D. People don’t have to be disturbed by after-sales service.