根据短文内容从方框中选择正确词的正确形式填空，每个词只用一次。将答案写在答题卡相应的位置上。(共10个小题，每个小题1分，满分10分）
one, popular, since, visit, large, water, learn, world, million, ancient
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Not everyone can swim with fish in the ocean. But they can enjoy underwater life in another way-by visiting an aquarium.
There is a very large public aquarium in Atlanta, Georgia. The Georgia Aquarium says it is
小题1:in the world. It has more than one hundred thousand sea animals in thirty million liters of
小题2:
. These include two whale sharks ---the
小题3:
largest fish. And everyone seems to enjoy
小题4:huge public aquariums. They have opened around the world. Visiting an aquarium is a good way for children
小题5:
about sea animals. They might even want to start an aquarium at home and join
小题6:
of people keeping fish as pets around the world.
We do not really know when people began keeping fish as pets. But people have been interested in fish
小题7:
a long time ago. Some say the Chinese kept and studied carp(鲤鱼) and goldfish more than one thousand years ago. The
小题8:Romans kept eels（鳝鱼) as pets . And the Greek philosopher Aristotle(亚里士多德) might be the
小题9:
to study sea life, including sharks and dolphins.
Some people say that keeping fish at home in small water tanks called aquarium is very
小题10:
today.
2NH3(g) △H=-92. 4kJ/mol) 
