To head off competition, the telecommunications companies have _____heavily in high technology.()
A: invested
B: invest
C: investment
D: investing
A: invested
B: invest
C: investment
D: investing
举一反三
- To head off competition, the telecommunications companies have heavily in high technology. A: involved B: invented C: invited D: invested
- Gold has been a poor _____ over the past 20 years, and will continue to be so. A: invest B: invested C: investing D: investment
- They<br/>have invested _________ in new technology. A: dramatically B: heavily C: loudly D: differently
- The data of the S&P 500 is quoted to indicate that________ A: Technology has expanded at a fast pace. B: Companies attempting to grow rapidly must introduce technology. C: Subsectors are more helpful to understand the companies involved. D: Information technology companies have a great increase in number.
- The threats facing pay-television may include______. A: the unreasonable high price B: people's unwillingness to pay for it C: fierce competition from larger companies D: the lagged development of the technology