11. The speed of this car was 160 miles ____ hour.
举一反三
- This kind of car can run the speed of 80 miles an hour. A: by B: to C: on D: at
- This kind of car can run _____ the speed of 80 miles per hour. A: at B: by C: to D: on
- It reached a speed of forty miles an hour. It ________ forty miles an hour.
- The time it took car P to travel 600 miles was 2 hours less than the time it took car R to travel the same distance. If car P’s average speed was 10 miles per hour greater than that of car R, what was car R’s average speed, in miles per hour ？（） A: 40 B: 50 C: 60 D: 70 E: 80
- The maximum speed of this car is 150 miles per hour. A: highest B: lowest C: minimum D: supreme