一、根据括号中的中文提示写出句中所缺单词或短语，使句子通顺。
1. The （东北的）region of China is famous for its cold winter and vast forests.
2. Plants in the desert need to find （躲避处）from the strong sun during the （白天）.
3. Pandas are （稀少的）animals, so we must protect them carefully.
4. Heavy rain turned the road into （泥）, making it hard to walk.
5. The government plans to （创建）more nature reserves for endangered species.
6. Throwing litter everywhere can （导致）serious environmental problems.
7. Our school will （设立）a new club to promote recycling next month.
8. A （均衡的）diet includes enough vegetables, fruit, and grains.
9. The science （项目）aims to study how trees help clean the air.
10. Learning about ecosystems increases our （知识）of how nature works.
11. Pollution from factories has （杀死）many fish in the nearby river.
12. We need to work together to （解决）the problem of plastic waste.
13. （环境的）protection is everyone's duty to keep the earth healthy.
14. The thick clouds （覆盖）the sky, and it seemed like it would rain soon.

1. north-east 2. cover; daytime 3. rare 4. mud 5. create 6. lead to 7. set up 8. balanced 9. project 10. knowledge 11. killed 12. solve 13. Environmental 14. covered

【分析】
本题为根据中文提示填写英语单词或短语的基础词汇题，解题思路为：1. 先理解每个句子的语境，确定所缺词汇的词性；2. 结合括号内的中文释义，回忆对应的正确英语表达；3. 注意词形变化，如动词时态、名词单复数、形容词形式，以及句首单词的大小写、固定短语的搭配等。
【解析】
1. 修饰名词region需用形容词，“东北的”对应形容词north-east；2. 第一空需名词表示“躲避处”，对应cover；第二空需名词表示“白天”，对应daytime；3. 修饰名词animals需用形容词，“稀少的”对应rare；4. 表示“泥”的不可数名词为mud；5. plan to后接动词原形，“创建”对应create；6. 情态动词can后接动词原形，“导致”对应固定短语lead to；7. will后接动词原形，“设立”对应固定短语set up；8. 修饰名词diet需用形容词，“均衡的”对应balanced；9. 表示“项目”的名词为project；10. 表示“知识”的不可数名词为knowledge；11. 现在完成时结构为has+过去分词，“杀死”对应killed；12. work together to后接动词原形，“解决”对应solve；13. 修饰名词protection需用形容词，且位于句首，“环境的”对应Environmental（首字母大写）；14. 由后文seemed可知用一般过去时，“覆盖”对应covered。
【答案】
1. north-east 2. cover; daytime 3. rare 4. mud 5. create 6. lead to 7. set up 8. balanced 9. project 10. knowledge 11. killed 12. solve 13. Environmental 14. covered
【知识点】
英语单词拼写、动词时态、固定短语搭配
【点评】
本题为基础英语词汇填空题，侧重考察核心词汇的拼写、词性及常用固定短语，需学生掌握课标要求的基础词汇，注意词形变化（如时态、大小写），整体难度不大，适合巩固基础词汇。
【难度系数】
0.6

二、根据短文内容，用括号中所给单词的正确形式填空，使短文完整通顺。
Tree Planting Day is celebrated on March 12th in China every year. It is also a day to remember Sun Yat-sen. However, few of (we) know that he called on people to plant trees in China.
At first, Tree Planting Day was at the Chinese Qingming Festival each year. Sun Yat-sen asked people to stop (cut) down forests in many of his books and speeches(演讲). He even planted trees himself with many people. Sun Yat-sen (pass) away on March 12th, 1925. So Chinese people set（设立） Tree Planting Day on March 12th to remember him.
Planting trees is good for our earth. Trees make the environment (balance) and give us many (use) things. Without (tree), our life will be difficult. For
example, we can't get fruit or medicine from trees.
Do you know how (plant) a tree? First, you should choose a tree suitable for the area and the climate. Second, dig a hole(挖坑) in the ground and (careful) put the tree inside. Then, add soil(填土) to the hole and water the tree.
Everyone plays an important part in (protect) the environment. Let's plant more trees and make our earth more beautiful and much (green)!
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. us 2. cutting 3. passed 4. balanced 5. useful 6. trees 7. to plant 8. carefully 9. protecting 10. greener

【分析】
本题为英语语法填空题，需结合语法规则、固定搭配及语境对括号内单词变形。解题思路：1. 介词of后接人称代词宾格；2. 固定搭配stop doing sth；3. 过去时间用一般过去时；4. make sth+形容词结构；5. 修饰名词用形容词；6. without后接名词复数；7. how to do sth结构；8. 修饰动词用副词；9. play a part in doing sth结构；10. much修饰形容词比较级。
【解析】
1. 介词of后接人称代词宾格，we→us；
2. 固定搭配stop doing sth，cut→cutting；
3. 1925年为过去时间，用一般过去时，pass→passed；
4. make sth+形容词，balance→balanced；
5. 修饰名词用形容词，use→useful；
6. without后接名词复数，tree→trees；
7. how to do sth结构，填to plant；
8. 修饰动词用副词，careful→carefully；
9. play a part in doing sth，protect→protecting；
10. much修饰比较级，green→greener。
【答案】
1. us 2. cutting 3. passed 4. balanced 5. useful 6. trees 7. to plant 8. carefully 9. protecting 10. greener
【知识点】
人称代词宾格、动词形式变化、固定搭配
【点评】
本题考查英语基础语法与常用短语，难度适中，需掌握人称代词、动词时态、固定搭配等基础知识点，适合初中阶段学生练习。
【难度系数】
0.6