Unit7 单元话题补全短文练习6篇2022-2023学年人教版英语八年级下册

2022-2023人教版英语八年级下册单元复习 Unit7 What’s the highest mountain in the world? 单元话题补全短文练习6篇 阅读短文，根据短文内容，从其后所给的六个选项中选出能填入空白处的最佳选项，选项中有一项为多余选项。 A In Australia there is a famous island called Fraser Island. A great many visitors come here for holidays every year.Why. The reason is that it is special.1　　　In fact,it is the largest sand island in the world. It covers an area of 163,000 hectares（公顷）.Though the island is a popular place of interest,there is no airport on the island. The long beach along the east coast works as the airport.2　　　 On the island there are sand hills without any plants,but there are forests with old trees,beautiful flowers and over a hundred lakes,too.3　　　 Every year,visitors come to enjoy the island’s natural beauty. People like camping and hiking there. 4　　Animals were killed for food and this made them in danger of extinction（灭绝）. They threw rubbish everywhere,and the lakes were seriously polluted.5　　　Rules have been set up. For example,visitors are not allowed to use motorboats（摩托艇） or go fishing in the lakes,and they mustn’t leave any rubbish. A. Planes arrive and leave from here. B. The island is completely made of sand. C.People often throw some rubbish everywhere. D.Unluckily，visitors have caused many problems. E. Many kinds of birds and animals live in the forest. F. So it is time to protect the environment of the island. B Venus（金星） is the second planet from the Sun.It is different from the earth in many ways.6___Volcanoes（火山） There are more volcanoes on Venus than those on the earth.There are more than 1，600 volcanoes on its surface（表面），7___ Scientists believe that most of these are not active，though a few may still be active.Longer day than year A day on Venus lasts 243 earth days，while a year on Venus is shorter，for just 224.7 earth days.8___High temperatures and pressure Temperatures on the surface can reach up to 470 degrees.The air pressure on the surface of Venus is very high—about 90 times higher than the p