Could you imagine being in a car driven by a computer, not a human? Recently, China has made a big step toward self-driving technology.

Self-driving cars give us many benefits (好处). They use _______ to sense the things around them and make full use of space. This means fewer traffic jams(堵塞) and _______ parking of cars. For disabled or blind people, self-driving cars can also help them get around more _______.

According to US Centers for Disease Control and Prevention, each year, more than 1.35 million people are killed on roads around the world. “Self-driving cars could _______ road accidents by 90 percent and save governments a lot of money”, said the website TechDim. The main cause of car accidents is _______ mistake. By using computers, self-driving cars don’t make _______ decisions or lose focus (注意力) like humans do. _______, self-driving cars aren’t perfect. If something unexpected on the road happens self-driving cars can’t react as fast as a human driver could. Also, during weather events like heavy snow, self-driving cars would have difficulty seeing the lines on the road. It might lead to a _______ accident. The car’s computer system could also get hacked (非法入侵) by someone, causing it to crash or _______ its destination(目的地).

It’s clear that there is a lot of work to do to make self-driving cars a common and safe sight on our roads. And China is _______ in making this happen. In the near future, more and more self-driving cars will be seen in the streets of China.