即时训练·达标
Ⅰ. Choose the one answer that best completes the sentences from the passage.
1. _______ about 14 million square kilometres around the South Pole, it is the fifth largest continent in the world.
A. Cover B. To cover C. Covering D. Covered
2. Strong winds _______ by gravity blow from the pole to the coastline, while other winds blow round the coast.
A. driven B. driving C. drive D. to drive
3. Gases and minerals, in the form of volcanic dust trapped in the ice, can tell us a lot about _______ the world’s climate was like in past ages.
A. that B. how C. whether D. what
4. Since most Antarctic rocks are dark in colour, they _______ against the white background and are easy to identify and collect.
A. stand aside B. stand out
C. stand for D. stand back
5. Then in 1895， a Norwegian called Carstens Borchgrevink became the first man _______ the Antarctic
