单项选择题
A.where are you going B.where you are going C.where do you go to D.that you are going
GM envisions a system（）connects intelligent cars to eac...
单项选择题GM envisions a system（）connects intelligent cars to each other and to remote servers in a vast, moving peer-to-peer network that would let them（）efficiently and in sync.
A.that; to travel B.which; travel C.where; travel D.that; travel
Second, the car needs（）collisions.A.to be able to avoid...
单项选择题Second, the car needs（）collisions.
A.to be able to avoid B.being able to avoid C.to be able to avoiding
The car will be guided by a differential GPS system tha...
单项选择题The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals（）they travel through the ionosphere and troposphere.
A.as B.that C.what D.where
