题目

It is already home to whales, seals and polar bears, but soon the Arctic (北极) must find __1__ for some Chinese visitors. A team of nine scientists will __2__ to the Arctic this month to mark the opening of China's __3__ Arctic scientific research station, SOA (the State Oceanic Administration (国家海洋局) has __4__. Construction of the station finished a while __5__, but operations were held __6__ during the polar night, __7__ normally runs from late October to the end of February. __8__this period, the sun never __9__ over the Arctic. And from mid-July to the end of August, the sun大小两个圆的周长之比是4：1，那么这两个圆的面积之比是4：1． （判断对错）