Passage 16
Nature is like a wonderful gift to us. It provides us with fresh air to breathe, clean water to drink and rich food to eat. However, several years ago, we treated nature 1 (bad).
2 (factory) poured wastes into rivers, making the water dirty. People cut 3 trees without limit(限制), so many animals lost 4 (they) homes. The air was polluted 5 of the heavy traffic and the burning of fossil fuels(化石燃料).
But we are gradually realizing the 6 (important) of protecting nature. More and more people are taking action. Some volunteers go to the mountains 7 (pick) up litter. Others plant trees to make the environment greener. The government is also making laws to protect wild animals and forests.
We should 8 (understand) that we are part of nature. Only when we live in harmony(和谐的) with nature can we have a better future. Let's start 9 small things, like 10 (save) water and electricity, reusing things as much as possible. If everyone makes an effort, we can surely make our planet more beautiful and 11 (healthy).
1. 2. 3. 4.
5. 6. 7. 8.
9. 10. 11.

1. badly
2. Factories
3. down
4. their
5. because
6. importance
7. to pick
8. understand
9. with
10. saving
11. healthier

【分析】本题为语篇型语法填空题，需结合语境、词性规则、固定搭配等知识点逐一分析：1. 需用副词修饰动词treated；2. 主语为复数名词（谓语poured为原形）；3. 考查固定短语搭配；4. 需用形容词性物主代词修饰名词homes；5. 后接名词短语需用because of；6. 定冠词the后接名词；7. 不定式作目的状语；8. 情态动词should后接动词原形；9. 考查固定搭配start with；10. 介词like后接动名词；11. 并列结构需用形容词比较级。
【解析】1. 修饰动词treated，用形容词bad的副词形式badly；2. 谓语poured为原形，主语用可数名词factory的复数形式Factories；3. 固定短语cut down意为“砍倒”，故填down；4. 修饰名词homes，用主格they的形容词性物主代词their；5. 后接名词短语the heavy traffic，用because of（后接名词短语）；6. 定冠词the后接形容词important的名词形式importance；7. 表目的，用动词不定式to pick；8. 情态动词should后接动词原形understand；9. 固定搭配start with意为“从……开始”，故填with；10. 介词like后接动词save的动名词形式saving；11. 与more beautiful并列，用形容词healthy的比较级healthier。
【答案】1. badly 2. Factories 3. down 4. their 5. because 6. importance 7. to pick 8. understand 9. with 10. saving 11. healthier
【知识点】词性转换、固定搭配、副词用法
【点评】本题围绕环保主题设置，考查基础英语语法与词汇运用，涵盖词性转换、固定搭配等核心考点，难度适中，适合巩固基础。
【难度系数】0.6