Eratosthenes calculated the earth's circumference, giving it a circumference of about____miles, compared with the current equatorial circumference of about 24 902 miles. A: 18000 B: 25000 C: 20000 D: 27000

Accelerating to about 70 miles an hour, a cheetah can run as fast as a car on the open highway.

A bullet train travels in _____ of 150 miles per hour. A: excess B: about C: less D: more than

That young man is fairly tall, about _______. A: 187 centimeters B: 187 meters C: 187 miles D: 187 kilograms

A．At least 14 miles an hour.B．At least 40 miles an hour.C．At most 40 miles an hour.D．A A: At least 14 miles an hour. B: At least 40 miles an hour. C: At most 40 miles an hour. D: At most 14 miles an hour.

There isn’t an airport near where I live. The _______ one is about 90 miles away. A: nearest B: farthest C: newest D: busiest

How long is the Great Wall of China? () A: 500 miles B: 1,500 miles C: 5,000 miles

( ), with an area of 78,772 square kilometers (30,410 square miles), is the second largest, accounting for about a third of the area of the UK. A: England B: Scotland C: Wales D: Northern Ireland

It reached a speed of forty miles an hour. It ________ forty miles an hour.

3. The local people live miles and miles away from each other.