单项选择题

The speaker compares the Earth to a spaceship because ______.

A．both have a limited supply of resources
B．the Earth moves around the sun like a spaceship
C．we can travel to outer space
D．the Earth never stops moving

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热门试题

单项选择题

Where can you find an area code map of the U. S.

A．On the first page of the telephone book.
B．At the end of the telephone book.
C．In the front of the white pages.
D．Right after the white pages.

单项选择题

When you get a wrong number in making a long distance call, you are advised to ______.

A．hang up the receiver and call again
B．check the number and call again
C．tell the operator what has happened
D．ask the operator to put you through again