B Facebook says it is working on technology to allow us to control computers directly with our brains. It is developing "silent speech "software to allow people to type at a rate of 100 words per minute, it says. The project, in its early stages, will require new technology to detect brainwaves without needing invasive operation. "We are not talking about monitoring your random thoughts," assured Facebook's Regina Dugan. "You have many thoughts, and you choose to share some of them. We're talking about monitoring those words. A silent speech interface (界面) — one with all the speed and flexibility (灵活) of voice." Ms. Dugan is the company's head of Building 8, the firm's hardware research lab. The company said it intends to build both the hardware and software to achieve its goal, and has employed a team of more than 60 scientists and academics to work on the project. On his Facebook page, Mark Zuckerberg added, "Our brains produce enough data to stream four HD (高清) movies every second. The problem is that the best way we have to get information out into the world-speech-can only send about the same amount of data as a 1980s modem. We're working on a system that will let you type straight from your brain about five times faster than you can type on your phone today. Finally, we want to turn it into a wearable technology that can be produced in quantity." Technology is going to have to get a lot more advanced before we can share a pure thought or feeling, but this is a first step. Other ideas detailed at the company's developers conference in San Jose included work to allow people to "hear" through skin. The system, comparable to Braille, uses pressure points on the skin to pass information. "One day, not so far away, it may be possible for me to think in Chinese, and you to feel it instantly in Spanish," Ms. Dugan said. 1. What can we know about the "silent speech"? A: It benefits blind people a lot. B: it monitors our random thoughts. C: It controls computers directly. D: It allows people to type fast. 2. What Zuckerberg said shows that _______. A: this wearable technology has already been put into use B: typing directly from brains might become a reality some day C: the best way to send information out is to use a 1980s modem D: speaking speed is slower than that of our brains producing data 3. What can be learned from the last paragraph? A: Chinese will become a language of computer. B: Facebook has a long way to go to achieve its goal. C: It is impossible to control computers with brains. D: Computers can be monitored by people's skin now. 4. What can be a suitable title for the passage? A: Facebook shares brain-control ambitions B: Computers bring profits to Facebook C: Silent speech changes people's lifestyle D: New technology detects brainwaves