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四、还原信息
A group of scientists finished a 10-year project to count the number of tuna（金枪鱼）and other large fish in the world's ocean. 1.
2.
Many people around the world get their protein（蛋白质）from fish. 3.
Besides, the nets（网）we use for fishing also cause harm to the ocean. The bottom net is huge and heavy. 4.
Hearing the news, do you feel that it is urgent（急迫的）to protect the ocean? As students, we can also do our part to protect the ocean. 5.
A. So the need for fish is growing.
B. So the need for fish is dropping.
C. This is a warning（警告）against overfishing.
D. There was a very surprising finding.
E. It catches more than enough shellfish.
F. The losing of the large fish can cause a disaster in our ocean.
G. The things we do seem small, but they can make a big difference if we work together.
A group of scientists finished a 10-year project to count the number of tuna（金枪鱼）and other large fish in the world's ocean. 1.
D
That is these fish are almost gone.2.
F
When there are fewer and fewer fish like tuna in the ecosystem, the ocean's food chain（食物链）will be broken. Animals like sharks may die as they can't find food—tuna.Many people around the world get their protein（蛋白质）from fish. 3.
A
Because of overfishing, almost ninety per cent of the world's large fish have disappeared（消失）. And these large fish are the ones we usually eat.Besides, the nets（网）we use for fishing also cause harm to the ocean. The bottom net is huge and heavy. 4.
E
At the same time, it also catches much unwanted wildlife. Even worse, the bottom net hurts the ocean floor and destroys natural places. Plants and animals usually grow or live there.Hearing the news, do you feel that it is urgent（急迫的）to protect the ocean? As students, we can also do our part to protect the ocean. 5.
G
Years later, we can see different kinds of fish in the ocean.A. So the need for fish is growing.
B. So the need for fish is dropping.
C. This is a warning（警告）against overfishing.
D. There was a very surprising finding.
E. It catches more than enough shellfish.
F. The losing of the large fish can cause a disaster in our ocean.
G. The things we do seem small, but they can make a big difference if we work together.
答案
1.D 2.F 3.A 4.E 5.G
解析
【分析】
通读全文可知，文章围绕大型鱼类减少的现状及海洋保护展开，需结合每空前后句的逻辑关系（如指代、因果、总分等）匹配选项：第1空承接科研项目结果，对应惊人发现；第2空引出鱼类减少的严重后果；第3空连接人类对鱼的需求与过度捕捞的关联；第4空说明捕鱼底网的作用；第5空呼应学生行动与海洋保护的结果。
【解析】
1. 第1空：前文提到科学家完成10年统计大型鱼的项目，后文指出“这些鱼几乎消失”，这是项目得出的惊人发现，故选D。
2. 第2空：后文阐述鱼类减少导致食物链断裂、鲨鱼死亡等严重后果，说明大型鱼消失会引发海洋灾难，故选F。
3. 第3空：前文说明很多人从鱼获取蛋白质，后文指出过度捕捞导致大型鱼消失，体现人类对鱼的需求在增长，故选A。
4. 第4空：前文介绍捕鱼的底网，后文提到底网还会捕到不需要的野生动物，说明底网会捕获过多贝类，故选E。
5. 第5空：前文说明学生能为保护海洋出力，后文提到多年后能看到多种鱼，体现小行动合力会产生大影响，故选G。
【答案】
1.D 2.F 3.A 4.E 5.G
【知识点】
英语七选五、语篇逻辑推理
【点评】
本题为英语阅读理解中的七选五题型，主要考查学生对语篇上下文逻辑关系的把握，需结合前后句的指代、因果等线索选择合适选项，难度适中，是常见的英语题型。
【难度系数】
0.5
通读全文可知，文章围绕大型鱼类减少的现状及海洋保护展开，需结合每空前后句的逻辑关系（如指代、因果、总分等）匹配选项：第1空承接科研项目结果，对应惊人发现；第2空引出鱼类减少的严重后果；第3空连接人类对鱼的需求与过度捕捞的关联；第4空说明捕鱼底网的作用；第5空呼应学生行动与海洋保护的结果。
【解析】
1. 第1空：前文提到科学家完成10年统计大型鱼的项目，后文指出“这些鱼几乎消失”，这是项目得出的惊人发现，故选D。
2. 第2空：后文阐述鱼类减少导致食物链断裂、鲨鱼死亡等严重后果，说明大型鱼消失会引发海洋灾难，故选F。
3. 第3空：前文说明很多人从鱼获取蛋白质，后文指出过度捕捞导致大型鱼消失，体现人类对鱼的需求在增长，故选A。
4. 第4空：前文介绍捕鱼的底网，后文提到底网还会捕到不需要的野生动物，说明底网会捕获过多贝类，故选E。
5. 第5空：前文说明学生能为保护海洋出力，后文提到多年后能看到多种鱼，体现小行动合力会产生大影响，故选G。
【答案】
1.D 2.F 3.A 4.E 5.G
【知识点】
英语七选五、语篇逻辑推理
【点评】
本题为英语阅读理解中的七选五题型，主要考查学生对语篇上下文逻辑关系的把握，需结合前后句的指代、因果等线索选择合适选项，难度适中，是常见的英语题型。
【难度系数】
0.5
五、完形填空
Aru Village lies by Lake Ra'og Co in Xizang, China. Many years ago, to keep their lake clean, people from the village used boats to go across the lake and 1 rubbish in the water. The villagers cared about the 2, so they kept doing this.
Later, a bridge was built 3 the lake, so villagers no longer needed to use boats to cross it. 4 the idea of cleaning the lake was kept. Tsering Dondrup, a village officer who used to go to school by boat, knew how the older villagers collected rubbish in the lake. He and other officers did a lot to help 5 the lake and its ecosystem.
The village has 43 families with 227 people now. A team of 44 people from the village is paid by the government to take turns to help keep the lake and 6 forests clean. They should also clean the roads and the area around the lake. They collect the rubbish and take it to the 7 place to be recycled (回收).
Dampa, a 46-year-old man from the team, started doing the job in the lake about 20 years ago. "As part of this team, I can 8 about 3 500 yuan a year. I'm happy to do my part in keeping the lake clean," he said. Now, Aru Village has become a good 9 of ecosystem protection. Lake Ra'og Co has about 300 000 visitors every year. Village officer Xu Cong says the 10 of both the villagers and the government have helped keep the beauty of the area.
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Aru Village lies by Lake Ra'og Co in Xizang, China. Many years ago, to keep their lake clean, people from the village used boats to go across the lake and 1 rubbish in the water. The villagers cared about the 2, so they kept doing this.
Later, a bridge was built 3 the lake, so villagers no longer needed to use boats to cross it. 4 the idea of cleaning the lake was kept. Tsering Dondrup, a village officer who used to go to school by boat, knew how the older villagers collected rubbish in the lake. He and other officers did a lot to help 5 the lake and its ecosystem.
The village has 43 families with 227 people now. A team of 44 people from the village is paid by the government to take turns to help keep the lake and 6 forests clean. They should also clean the roads and the area around the lake. They collect the rubbish and take it to the 7 place to be recycled (回收).
Dampa, a 46-year-old man from the team, started doing the job in the lake about 20 years ago. "As part of this team, I can 8 about 3 500 yuan a year. I'm happy to do my part in keeping the lake clean," he said. Now, Aru Village has become a good 9 of ecosystem protection. Lake Ra'og Co has about 300 000 visitors every year. Village officer Xu Cong says the 10 of both the villagers and the government have helped keep the beauty of the area.
(
B
) 1. A. find out B. pick up C. fight with D. depend on(
A
) 2. A. environment B. mountain C. tradition D. wild(
C
) 3. A. under B. in C. over D. through(
D
) 4. A. So B. And C. Or D. But(
B
) 5. A. keep B. protect C. build D. enjoy(
A
) 6. A. nearby B. far C. thick D. large(
B
) 7. A. great B. right C. interesting D. noisy(
D
) 8. A. pay B. save C. lose D. make(
A
) 9. A. example B. form C. camp D. field(
B
)10. A. goals B. actions C. programmes D. abilities答案
1.B 2.A 3.C 4.D 5.B 6.A 7.B 8.D 9.A 10.B
解析
【分析】
本题是一篇关于西藏阿汝村保护湖泊生态的完形填空，解题思路为：首先通读全文把握核心主题（生态环境保护），再结合上下文语境、词汇词义辨析、固定搭配等知识，逐一分析每个空格的选项，选出最符合文意的答案。
【解析】
1. 结合前文“keep their lake clean”（保持湖泊清洁），可知村民乘船去水中“捡起”垃圾，pick up（捡起）符合语境，故选B。
2. 村民持续清洁湖泊，是因为他们关心“环境”，environment（环境）符合，故选A。
3. 桥是在湖的上方（不接触湖面），over表示“在……上方（垂直不接触）”，故选C。
4. 前文说建桥后不用船了，后文说清洁湖泊的想法保留，前后为转折关系，用But，故选D。
5. 村民和官员做的事是“保护”湖泊及生态系统，protect（保护）符合，故选B。
6. 要清洁的是“附近的”森林，nearby（附近的）符合，故选A。
7. 垃圾要送到“正确的”地方回收，right（正确的）符合，故选B。
8. make money是固定搭配，意为“赚钱”，此处指每年赚约3500元，故选D。
9. 阿汝村成为生态保护的好“例子”，example（例子）符合，故选A。
10. 村民和政府的“行动”帮助保持了区域的美丽，actions（行动）符合，故选B。
【答案】
1.B 2.A 3.C 4.D 5.B 6.A 7.B 8.D 9.A 10.B
【知识点】
完形填空、词汇辨析、语境理解
【点评】
本文围绕生态保护主题展开，贴近实际生活，主要考查学生对词汇词义、固定搭配及上下文语境的理解能力，题型常规，难度适中。
【难度系数】
0.6
本题是一篇关于西藏阿汝村保护湖泊生态的完形填空，解题思路为：首先通读全文把握核心主题（生态环境保护），再结合上下文语境、词汇词义辨析、固定搭配等知识，逐一分析每个空格的选项，选出最符合文意的答案。
【解析】
1. 结合前文“keep their lake clean”（保持湖泊清洁），可知村民乘船去水中“捡起”垃圾，pick up（捡起）符合语境，故选B。
2. 村民持续清洁湖泊，是因为他们关心“环境”，environment（环境）符合，故选A。
3. 桥是在湖的上方（不接触湖面），over表示“在……上方（垂直不接触）”，故选C。
4. 前文说建桥后不用船了，后文说清洁湖泊的想法保留，前后为转折关系，用But，故选D。
5. 村民和官员做的事是“保护”湖泊及生态系统，protect（保护）符合，故选B。
6. 要清洁的是“附近的”森林，nearby（附近的）符合，故选A。
7. 垃圾要送到“正确的”地方回收，right（正确的）符合，故选B。
8. make money是固定搭配，意为“赚钱”，此处指每年赚约3500元，故选D。
9. 阿汝村成为生态保护的好“例子”，example（例子）符合，故选A。
10. 村民和政府的“行动”帮助保持了区域的美丽，actions（行动）符合，故选B。
【答案】
1.B 2.A 3.C 4.D 5.B 6.A 7.B 8.D 9.A 10.B
【知识点】
完形填空、词汇辨析、语境理解
【点评】
本文围绕生态保护主题展开，贴近实际生活，主要考查学生对词汇词义、固定搭配及上下文语境的理解能力，题型常规，难度适中。
【难度系数】
0.6
