Pyramid of Giza

One of seven wonders of ancient world also becomes favorite site for astronomers to capture photographs from the orbit. It is not at all visible with naked eyes from space, so astronomers used special cameras for it .

Grand Canyon

It surely takes many days to enjoy every site of 277-mile-long Grand Canyon in Arizona, But the astronauts at orbits of Earth are able to see Grand Canyon with their own eyes all at once. The space images of Grand Canyon help the scientists to make surface map of the steep sided Canyon , also to monitor the changes within its surface.

Ganges River Delta

Ganges River Delta is 220 miles long; this amazing geographic feature can also seen from orbits of Earth . When the river becomes empty , it becomes the largest remaining habitat of Bengal tiger and other rich wild life.

Palm Island, Dubai

Palm Island along with world islands of Dubai can be seen even from space . The Palm Island actually holds two artificial island in shape of palm tree, spreading across in an area of 100,000 square meters. You can meet hundreds of luxury hotels and parks within this man-made wonder.

【小题1】Which of the following cannot be seen from space without special equipment?

A．pyramid of Giza.	B．Grand Canyon.
C．Ganges River Delta.	D．Palm Island, Dubai.

【小题2】According to the passage ,which pf the following is true?

A．The space pictures of Grand Canyon are intended just for entertainment.

B．Grand Canyon is longer than Ganges River Delta by 57 miles.

C．Ganges River Delta is always the largest habitat or various wild animals.

D．Palm trees on Dubai artificial islands cover an area of 100,000 square meters.