Forests, deserts, and wetlands play important roles in our lives.
Forests are like big green factories. Trees (1) dirty air and get rid of bad things in it. They also make and give out oxygen. We need this oxygen to breathe. But when people cut down too many trees, it can (2) damage. Animals lose their homes, and the air becomes dirtier.
Deserts may seem empty, but they are important too. Some special plants and animals live there. They teach us how life can grow in tough places. However, if we keep using the land in deserts wrongly, it will (3) them and make them even bigger and more lifeless.
Wetlands are like nature's sponges. They can store a lot of water and get rid of dirty things in the water. Wetlands also (4) homes for many birds and small animals. But when we fill wetlands to build houses or farms, we damage them. Then, there are fewer homes for animals, and floods may (5) more often.
We should take good care of these places. They are important for us and all the living things on Earth.

(1)take in
(2)lead to
(3)damage
(4)provide
(5)happen

1. 第一个空，根据“dirty air and get rid of bad things in it”可知，树木吸收脏空气并清除其中的有害物质，“take in”有吸收的意思，所以填“take in”。
2. 第二个空，根据“when people cut down too many trees”以及“Animals lose their homes, and the air becomes dirtier”可知，砍伐太多树木会导致破坏，“lead to”表示导致，所以填“lead to”。
3. 第三个空，根据“if we keep using the land in deserts wrongly”以及“make them even bigger and more lifeless”可知，错误使用沙漠土地会破坏沙漠，“damage”表示破坏，所以填“damage”。
4. 第四个空，根据“homes for many birds and small animals”可知，湿地为许多鸟类和小动物提供家园，“provide”表示提供，所以填“provide”。
5. 第五个空，根据“when we fill wetlands to build houses or farms, we damage them. Then, there are fewer homes for animals, and floods may...”可知，破坏湿地后洪水可能会更频繁发生，“happen”表示发生，所以填“happen”。

Hi, everybody. Today I want to give you some tips in case there are any natural disasters or accidents.
If your building is on fire, don't hide. Try to . Cover your mouth and nose with a wet towel to protect yourself from thick smoke. Stay low to the ground. Don't into the building on fire. It's dangerous.
If there is a flood, you should get to high ground and stay there. Don't the flood water. It may wash you away.
When an earthquake happens, you should hide under a strong desk or table to protect yourself. Don't stand near a window, or you may .
Traffic accidents happen every day. We should always follow traffic rules. When crossing the road, look left, right and then left. , don't sit, walk or ride your bicycle on railways.
That's all for today's talk. I hope you have learnt a little more about how to keep yourself safe.

get out as soon as possible; go back; walk through; get hurt; moreover

1. 根据"building is on fire"和"don't hide"可知应尽快离开，选"get out as soon as possible"。
2. 由"dangerous"可知不能返回着火建筑，选"go back"。
3. 洪水时不应穿过洪水，选"walk through"。
4. 站在窗边地震时可能受伤，选"get hurt"。
5. 补充交通规则，表递进用"moreover"。

1. The flood and became homeless over a night.
2. More and more animals .
3. A boy and his left leg .
4. The injured kitten is at the animal hospital.
5. The government realized .
6. In the morning, the birds .
7. .
8. His illness his unhealthy lifestyle, .
9. The temperature tomorrow will .
10. can live there.
11. You can during an earthquake.
12. It's very dangerous .
13. You can .
14. When people woke up .
15. The mountain now.
16. Modern technology .
17. Girls .
18. Parents always want .
19. A coach .
20. Stones , making a loud noise.

1. washed the village away；thousands of people
2. are killed because of hunting
3. fell from the tree；was badly hurt
4. well looked after
5. the importance of wetlands and made laws to protect them
6. are active and can be easily observed
7. Thanks to the efforts of all parties, the number of giant pandas is increasing
8. is closely related to；such as staying up late and not exercising
9. be lower and drop below zero
10. Only a few plants and animals
11. hide under a strong table
12. to return to the burning house
13. cover your mouth and nose with a wet towel to protect yourself from smoke
14. on that cold winter morning, everything was covered with deep snow
15. is covered with trees
16. plays an important role in modern education
17. make up almost one third of the whole class
18. to keep their children from harm
19. ran off the road and crashed into a big tree
20. fell like rain on the roof of the house

1. 根据中文提示“一场洪水冲走了那座村庄，数千人一夜之间变得无家可归”，可以确定第一个空应填“washed the village away”表示洪水冲走了村庄，第二个空应填“thousands of people”表示数千人。
2. “越来越多的动物因为猎杀而丧生”中，“丧生”可以用“are killed”表示，而“猎杀”则用“because of hunting”表示原因。
3. “一个小男孩从树上摔了下来，左腿严重受伤”中，“摔下”用“fell from the tree”，“严重受伤”用“was badly hurt”。
4. “那只受伤的小猫在动物医院得到了妥善照料”中，“妥善照料”可以翻译为“well looked after”。
5. “政府意识到了湿地的重要性并制定了法律保护湿地”中，“湿地的重要性”用“the importance of wetlands”，“制定了法律保护湿地”用“made laws to protect them”表示。
6. “早晨鸟儿们活跃，所以人们可以很容易地观察它们”中，“活跃”用“are active”表示，“很容易地观察它们”用“be easily observed”表示被动语态。
7. “由于各方努力，大熊猫的数量正在增加”中，“由于各方努力”用“Thanks to the efforts of all parties”，“大熊猫的数量正在增加”用“the number of giant pandas is increasing”表示。
8. “他的病和他不健康的生活方式密切相关，比如熬夜和不锻炼”中，“密切相关”用“is closely related to”，“比如”用“such as”表示列举。
9. “明天温度会更低，将降到零度以下”中，“更低”用“be lower”，“降到零度以下”用“drop below zero”表示。
10. “沙漠的气候非常恶劣，只有少数动植物能够在那里存活”中，“只有少数动植物”用“Only a few plants and animals”表示。
11. “地震中你可以躲在结实的桌子底下来保护自己”中，“躲在结实的桌子底下”用“hide under a strong table”表示。
12. “回到着火的房子是很危险的”中，“回到”用“to return to”，“着火的房子”用“the burning house”表示。
13. “你可以用一条湿毛巾捂住嘴和鼻子来使自己免受烟熏”中，“用一条湿毛巾捂住嘴和鼻子”用“cover your mouth and nose with a wet towel”表示，“使自己免受烟熏”用“to protect yourself from smoke”表示目的。
14. “当人们在那个寒冬的早晨醒来的时候，一切都被厚厚的积雪覆盖了”中，“在那个寒冬的早晨”用“on that cold winter morning”，“被厚厚的积雪覆盖了”用“were covered with deep snow”表示。
15. “现在山上长满了树”中，“长满了树”用“is covered with trees”表示。
16. “现代技术在现代教育中发挥着重要作用”中，“发挥着重要作用”用“plays an important role in”表示。
17. “女生几乎占整个班级的三分之一”中，“几乎占”用“make up almost”，“三分之一”用“one third of”表示。
18. “父母总是想让自己的孩子免受伤害”中，“免受伤害”用“to keep their children from harm”表示。
19. “一辆长途汽车冲出路面，撞到一棵大树上”中，“冲出路面”用“ran off the road”，“撞到一棵大树上”用“and crashed into a big tree”表示。
20. “暴风雨期间，石头雨点般地落在房子的屋顶上，发出很大的声响”中，“雨点般地落在房子的屋顶上”用“fell like rain on the roof of the house”表示。