八年级上册Unit 4限时训练 一、完形填空 Birdwatching has fans all over the world. In these years, it becomes 1 in China. The Olympic Forest Park in Beijing is one of the 2 places for birdwatching. Many bird lovers visit the park to take photos or just to watch the birds. Guan Xiangyu is one of them. He works 3 an organizer for bird lovers. He spends half a year staying in Beijing and the other half travelling with his teams, 4 different kinds of birds, in different seasons. Guan started birdwatching over 10 years ago. He grew up in Beijing 5 he didn’t know there were so many kinds of birds in the city. Guan began to show 6 in birds after his college teacher advised him to join in a bird protection activity. “To me, the biggest joy is to share the excitement of 7 seeing a bird that I am looking for,” Guan said. Beijing is a good place for birds. And experts (专家) record more than 500 species (物种) there. The main 8 is that Beijing is on an important flyway. Millions of birds migrate (迁徙) north and south every year. When doing this, they 9 through Beijing. Guan hopes more people will enjoy birdwatching and help 10 birds’ living space. Birds are part of Guan’s life. “I will always see them as my friends,” Guan said. 1．A．exciting B．cheerful C．excellent D．popular 2．A．hardest B．tiniest C．best D．coldest 3．A．for B．as C．with D．of 4．A．waiting for B．looking for C．asking for D．preparing for 5．A．so B．and C．or D．but 6．A．interest B．way C．answer D．sense 7．A．quickly B．finally C．easily D．usually 8．A．problem B．example C．symbol D．reason 9．A．work B．break C．pass D．look 10．A．store B．connect C．live D．protect 阅读理解 A In a coastal city of Brazil, there is a special fishing team. It is made up of human fishers and dolphins! They work together to catch the same fish—the mullet (鲻鱼). Mauricio Cantor from Oregon State University, the US, studied this. As he told Science News Explores, this partnership started more than a century ago. “The dolphins are really good at finding fish in the murky (浑浊的) water and driving them to the coast,” Cantor said. “The fishermen are really good at catching the fish with their nets.” Once the fish are caught in the nets, dolphins can move in and get some for themselves. Cantor’s study described how fishermen and dolphins give cues to each other during fishing. After dolphins find fish, they drive fish to the coast. Then they arch (拱起) their backs in front of the fishermen to tell them to cast nets (撒网). Fishermen will then cast the nets right away, or they may lose the best chance. “Fishermen need to be well-trained to understand the cues from dolphins,” said Cantor. The study found that fishermen are 17 times more likely to catch fish by working with dolphins. At the same time, the helpful dolphins have 13 percent higher survival rates (存活率) than other dolphins. “Human-animal partnerships have been hard to see throughout history. But they give us an idea of how ... ...
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