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D

Lizzie-s diary from Antarctica (南极洲)

Day 3: Tuesday   December 2

    We planned to go to Rothera that morning. We'd be staying there for the next two weeks. Because Antarctica is the windiest place on earth, sometimes you can't fly at all.

    We had a nervous wait over breakfast to find out if we'd be leaving that day. People have to stay in Stanley for weeks while the pilots wait for good weather.

    It turned clear at 9:30 and we took off at 10:30 on a little red plane called a Dash-7. But even when we were in the air, there was still a chance we wouldn't be able to fly the whole day.


Day 4: Wednesday   December 3

    After waking up in the Antarctic for the first time today I can understand why everybody who comes here falls in love with the place. It is really beautiful.

    We're staying at Rothera Survey base with mountains of ice all around. It s about minus 20C today, which for me is very cold, but the regulars(常客) here are often seen walking around in T-shirts !


Day 5: Thursday  December 4

    I woke up to another beautiful sunny day here in the Antarctic. I'm told it's a bit colder today, about minus 5℃ , but it's not very windy so it feels warmer. Those of us who are new to the bas have to do a spccial training course before we're allowed to go off base to other stations or to go snowboarding over the nearby hill.


Day 7: Saturday  December 6

    Not a cloud in the sky and it's warm enough to sit outside (in a jacket).

    The most amazing thing about this place is how the scenery (风景) changes every day. At first I thought I was going mad. I'd step outside in the morning and think, "I'm sure that big mountain of ice wasn't there yesterday." It's because the sea ice is always moving—slowly thankfully !

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    Number sense is not the ability to count. It is the ability to recognize a 1 in number. Human beings are born with this ability.2, experiments show that many animals are, too. For example, many birds have good number sense. If a nest has four eggs and you remove one, the bird will not3. However, if you remove two, the bird4leaves. This means that the bird knows the5   between two and three.

    Another interesting experiment showed a bird's6number sense. A man was trying to take a photo of a crow(乌鸦)that had a nest in a tower, but the crow always left when she saw him coming. The bird did not7until the man left the tower. The man had an8.He took another man with him to the tower. One man left and the other stayed, but they did not9 the bird. The crow stayed away until the second man left, too. The experiment was10with three men and then with four men. But the crow did not return to the nest until all the men were11.It was not until five men went into the tower and only four left that they were12 able to fool the crow.

    How good is a human's number sense? It's not very good. For example, babies about fourteen months old almost always notice if something is taken away from a 13 group. But when the number goes beyond three or four, the children are14fooled.

    It seems that number sense is something we have in common with many animals in this world, and that our human 15 is not much better than a crow's.