【正文】 cutting are changing the forest39。s role into carbon sink(碳匯集地), making 3060% of the rainforest into dry places. Scientists show the forest could disappear pletely by 2050.39. may cause the Himalayan Glaciers to melt.A. Cutting down trees B. Too many WarsC. People39。s visits D. The rising temperature40. According to the passage, cute pandas are facing .A. food problems B. sleeping problemsC. birth problems D. health problems41. Which sentence can be the missing part in ?A. The Amazon is seriously polluted.B. Different kinds of animals in the Amazon died.C. The Amazon has onefifth of the world39。s fresh water.D. People don39。t like traveling in the Amazon.42. Which do you think is the best title of the passage?A. The disappearing natural treasuresB. Animals are dying outC. People protected nature very wellD. The melting glaciers in the world三、閱讀問答Give water, save livesA bottle of water may not seem like much to you, but thousands of bottles will be of great help for people who live in droughthit(遭受旱災(zāi)) areas in China.Last autumn, there was very little rain in Southwest China. Some places, especially in Yunnan, Guangxi, Sichuan, Guizhou, experienced（經(jīng)歷）a serious drought. Crops died, the land cracked(裂開),and wells (井) and rivers dried up. More than 20 million people are having difficulty in finding safe drinking water.After learning about the drought, many people around the country helped by giving water, money and other things.Last week, every member of the Communist Youth League (共青團(tuán)員) and Young Pioneers(少先隊(duì)員) were encouraged to give one bottle of water to the droughthit areas. Students in primary schools and middle schools quickly joined the activity. In Yuhua Primary School in Xi39。 an, 900 students bought over 1,000 bottles of water with their pocket money. They also wrote their wishes on the bottles.The serious drought has also made students realize（意識(shí)到）the importance of saving water. Students from Nanshan Middle School in Huizhou, Guangdong went on the street to tell people to take part in watersaving activities.“I39。ve heard that some children in droughthit areas don39。t have enough drinking water. They have to drink muddy ( 含有泥土的 ) water. I feel really sad about that, said one student. “I decide to take a shower twice a week instead of every day to save water,” he said.43. Why did a serious drought happen in Southwest China?44. How much water did the students in Yuhua Primary School buy with their pocket money last week?45. What did people do after learning about the drought?46. What did the people in droughthit areas need most?47. What has the serious drought made students realize?四、語法填空閱讀下面短文，在空白處填入適當(dāng)?shù)膬?nèi)容（不多于3個(gè)單詞）或括號(hào)內(nèi)單詞的正確形式。We lived in a rocky area and it seldom rained in our town. There was a stream (溪) 48. ran through our town. Far away in the mountains where the stream came from, it rained a lot.One summer, it rained so 49. (heavy) that our little stream turned into a river. What was worse, the water was quickly 50. (rise). Unluckily, our whole town had only ten sandbags to hold back the water! We needed hundreds of handbags 51. (protect) our town from a food (洪水). 52. , there was almost no sand in our town there were only rocks.“We have to leave the town and look 53. somewhere safe to stay,” someone said. Then, everyone started packing and getting prepared to leave. when we were about to drive away, an old man 54. (stand) in the middle of the road and asked, “Where are you going?” We explained that we were going to safety and that he should leave too. He said, “There’s 55. (ton) of sand near my place.” He lived about a mile away up in some hills.Within minutes, we were all heading for his place. In the following ten hours, some of 56. (we) filled sandbags and others placed them along the edges (邊緣) of the river. There was a flood that night, but our town was safe.The old man was 57. hero and from then on, we celebrated “Sandbag Day” every year.11