阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式（最多限填3个单词）。
What
will the car be {#blank#}1{#/blank#}in the
future? Maybe we can sit in a car {#blank#}2{#/blank#}can drive itself.
About
40 years ago, scientists from the United States started to develop self-driving
cars（无人驾驶汽车）. The {#blank#}3{#/blank#}（famous） recent one was made {#blank#}4{#/blank#}Google in 2009.There are cameras
and radars（雷达） on the top of the car. They allow the
computer in the car {#blank#}5{#/blank#}（draw） a 3D map of the environment. Chinese
scientists have also {#blank#}6{#/blank#}（success） developed a self-driving car. The
car made a t trip from Changsha to Wuhan.
Is a
self-driving car {#blank#}7{#/blank#}（safety）? Yes, a recent study shows that
robots make less dangerous drivers than {#blank#}8{#/blank#}（human）. If only 10%of cars on the street are self-driving, 1, 000 people
will be saved every year. If 90%of vehicles（交通工具） are
self-driving, they will save 21, 700 people a year. {#blank#}9{#/blank#}, a self-driving car is expensive and
each costs about $100, 000.So {#blank#}10{#/blank#}is impossible to be very popular in
the near future.
