Unit 4 Humans and nature Part 1 Topic talk 一.单词拼写 1.They wanted to move to a warmer_____(气候区). 2. The boy began to study_____(风景)painting. 3.He was stressed when he gave his_____(演讲). 4.The solar, energy works by creating a_____(温室) under the plastic. 5. Students can predict what a passage is about from its_____(题目). 6._____(野生动植物) has been greatly threatened in modern times. 7._____(洪水) have become more damaging in Bangladesh in recent decades. 8.One summer, a_____(旱灾) hit Ontario，turning it into a burning desert. 9.From 2000 to 2019，there were 7 , 348 major natural_____( 灾难) around the world. 10. Oil pollution could damage the fragile_____(生态) of the coral reefs. 11.He suggested that school children avoid o_____of their eyes and do more outdoor activities. 二.选词填空 turn one’s back on; be covered with; as a result; in the face of 1.The path to Dawson_____three-foot-thick wet snow. 2. How can you_____me when I am in difficulty 3. Perhaps you have great intentions, but they may break_____reality. 4._____, people will eat more food to try to make up for what is missing. 三.单句语法填空 1.We were all shocked_____the news of his death. 2. You can have an idea worth_____( million) of dollars. 3.The volcano spewed( 喷出) lava and smoke as it continued to_____( eruption ) on October 17, 2021. 4. The nineteenth-century poor city was a terrible place in many ways, dirty and_____( crowd). 5. These_____( comment) came in response to specific questions often asked by local newsmen. 6. But the good thing is that nowadays more and more teenagers start to learn that smoking is_____healthy nor cool. 7.My father never talked about what he did for a_____(live). 8. Most of the English learners live in places_____English is not the main language. 四 .阅读理解 Parts of Africa are covered by a dark cloud. But this is no rain cloud. It is a living cloud made of billions of locusts(蝗虫) that are traveling across the continent eating everything in their path. And now in the battle to stop this disaster，a radio station in Senegal， West Africa, is offering listeners 50 kilograms of rice if they can catch and kill 50 kilograms of locusts.“We think this idea will get more people to take part in the war on the locusts , said Abdoulaye Ba， from Sud-FM， a radio station in one of Senegal's worst affected areas. This is West Africa's biggest locust disaster in 15 years, and it is moving east, causing huge damage to crops. As they move, they produce young and increase their number and will soon threaten(威胁) Sudan in the northeast of Africa. Some say it could reach Asia. Experts say the harmful effect on crops in areas already suffering from food shortages and war could cause many people to go hungry. Governments in the areas are not well equipped to fight the pest. Although leaders of 12 countries have agreed on a plan, it is not expected to be enough.“We are now treating 6, 000 hectares(公顷) per day with pesticide (杀虫剂)，but we need ... ...
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