Step 1 Choose the best answers according to the passage on P11.
1.The South Pole is safe________.
A.as long as you take precautions to protect yourself
B.because it's at 3,000-4,000 metres high
C.because it's the calmest place on Earth
2.The scientific station________.
A.is surprisingly luxurious
B.is cosy but has some restrictions on personal lifestyle, such as a shortage of water
C.provides perfect accommodations for longterm visitors
3.The ceremonial Pole is probably________.
A.the place which explorers first claimed as the true South Pole
B.the place from where all routes lead to North
C.close to the scientific station, which is situated on a platform of ice, 3,000-4,000 metres high
4.The sentence “Sunrise and sunset come once every six months” means ________.
A.each day and night lasts six months
B.there's daylight for six months, then darkness for another six months
C.there's so little to do that a day seems to last six months
5.The environment of the Antarctica is very special, so visitors ________.
A.consider it a right to be allowed to go there
B.only buy souvenirs from the scientific station, and do not take anything else away
C.should be careful to leave nothing but footprints
答案:1~5 ABCBC