The demand for 3M’s optical film is closely related with the World Cup soccer games because the optical film ().
A: is used in LCD and LCD is used in quality televisions and computers
B: is used in LCD and LCD is used to receive audio and video signals
C: is a better receiver of audio and video signals than televisions and computers
D: can be mounted on televisions and computers to improve the quality of images
A: is used in LCD and LCD is used in quality televisions and computers
B: is used in LCD and LCD is used to receive audio and video signals
C: is a better receiver of audio and video signals than televisions and computers
D: can be mounted on televisions and computers to improve the quality of images
举一反三
- An optical cable is used to transmit：（） A: digital audio from a component to a receiver. B: analog video from a component to a receiver. C: analog audio from a component to a receiver. D: digital video from a component to a receiver.
- Computers ( ) all over the world. A: is B: are used C: used D: to use
- The bitmap graphic method and vector graphic method are used to represent ______in a computer. A: audio B: video C: images D: numbers
- 5. New computers ___ all over the world. A: is used B: are using C: are used D: have used
- Usually computers ______ to search the Internet. A: use B: are using C: are used D: used