D
make a big difference to; clean up; go green; be recycled; turning off the tap; reduce pollution
Our environment is changing for the worse, so it is time for us (1) . Here are some simple steps to take at once.
We can save water by taking shorter showers and (2) when we brush our teeth. In order to save power, we should turn off the lights when we leave the room.
Some other good habits can help (3) too. We should not use plastic bags when shopping. Recycling is also a good way to help reduce pollution. We should separate waste into different groups so that it can (4) .
Follow these small steps, and you can (5) the Earth!

(1) to go green
(2) turning off the tap
(3) reduce pollution
(4) be recycled
(5) make a big difference to

1. 根据前文“环境日益恶化”的语境，结合固定句型“it is time for sb to do sth（是某人做某事的时候了）”，“go green（践行环保）”符合语义要求，故填to go green。
2. 此处与“taking shorter showers”并列，作介词by的宾语，需用动名词形式，“turning off the tap（关掉水龙头）”是刷牙时节水的合理举措，符合语境。
3. help后可接动词原形（不定式符号to可省略），“reduce pollution（减少污染）”与后文提到的环保行为呼应，符合语义。
4. 此处it指代waste，垃圾是被回收的对象，需用被动语态，“be recycled（被回收利用）”符合逻辑，且情态动词can后接动词原形。
5. “make a big difference to”意为“对……产生重大影响”，结合句意“遵循这些小举措，你就能对地球产生重大影响”，情态动词can后接动词原形，故填该短语。

四、根据所给中文提示完成句子
1. My Chinese friends are kind enough (让我感到宾至如归).
2. If we (不行动起来) at once, more air pollution and water pollution (将会产生).
3. If you want (对他人表示礼貌和尊重), you (用“您”绝对不会有问题).
4. The plane (曾经被用作培训中心).
5. It is (他真粗心，犯了这么多错) in the exam.
6. It is (他真粗鲁，在公共场所大声喧哗) in public.
7. It's (志愿者没必要有经验), but it's (对于他们来说友好很重要).
8. Mobile phones have (对我们日常生活产生了重大的影响).
9. He told me to eat more and (不断地把食物放在我的盘子里).
10. It is (对我来说要适应这些差异是困难的).
11. It is fantastic (与这些特殊运动员密切合作).
12. To me, the most important is (不是取得好成绩), (而是尽自己最大努力去学习每一门学科).
13. Many patients are (很穷，付不起医疗费).
14. Good manners (被用来向他人表达尊重与善意) in social interactions.
15. At the end of the meal, we only paid for the meal, (因为这里很少给小费).
16. In China, (直呼其名是不礼貌的) if they are much older than you.
17. Chinese people (太谦虚，不会公开接受他人的赞扬).
18. We should (遵守这些规则，以确保就餐时宾主双方都感到舒适).
19. Our English teacher often (提醒我们课上多讲英语).
20. These old photos (让我想起了过去的快乐时光).
21. This programme began in 2003 and (现在越来越受欢迎).
22. Most governments (为残疾人提供各类服务，帮助他们过上充实的生活).
23. She (为自己赢得比赛而感到自豪).
24. Every year, more and more students (报名参加) this programme and (自愿在教育、健康及其他领域担任志愿者角色).
25. He (患了严重得血液病) and has been in hospital since last month.
26. During my last visit, I (给 150 名患者做了手术).
27. The coach ______ (向运动员分发队服) at the beginning of the game.
28. He (力争赢得一等奖) in the coming writing competition.
29. I (毫不费力地完成了数学家庭作业) without any help.
30. (通过教他们新技术并培训他们), we hope more people (将从这个项目中受益).
31. (通过不懈努力), UNICEF (在为儿童创造更美好的世界方面取得巨大进步).
32. If you don't join our picnic, you (会错过很多乐趣).
33. The students (被分成四个小组) to join the discussion.
34. What he said (对这场比赛没有多大影响).
35. Studying hard at the beginning of the term can ______ (有助于你开个好头) in your studies.
36. (多亏了市民们多年来的努力), Greenville (已经变成了一座很棒的环保型城市了).
37. Using clean energy from the sun and wind is better for the environment, and at the same time, the city (不必担心能源耗尽).
38. Desertification is a serious problem in many countries. China (正在努力减少其沙漠面积).
39. We all have to separate our rubbish now (以便更多的垃圾能被回收利用).
40. (此外), we can reduce pollution (通过拒绝使用一次性塑料袋和塑料瓶).

1. to make me feel at home
2. don't take action; will be caused
3. to be polite and respectful to others; can never go wrong by using "you"
4. was once used as a training center
5. careless of him to make so many mistakes
6. rude of him to talk loudly
7. unnecessary for volunteers to have experience; important for them to be friendly
8. made a great difference to our daily lives
9. kept putting food on my plate
10. difficult for me to get used to these differences
11. to work closely with these special athletes
12. not to get good grades; but to try your best to learn every subject
13. too poor to afford medical treatment
14. are used to show respect and kindness to others
15. because tipping is rare here
16. it is impolite to call someone by their first name
17. are too modest to accept others' praise in public
18. follow these rules to make sure both guests and hosts feel comfortable at the dinner table
19. reminds us to speak more English in class
20. remind me of the happy days in the past
21. is getting more and more popular now
22. provide all kinds of services for disabled people to help them live a full life
23. is proud of winning the competition/ takes pride in winning the competition
24. sign up for; volunteer to work as volunteers in education, health and other fields
25. has developed a serious blood disease
26. operated on 150 patients
27. handed out team uniforms to the players
28. tries his best to win the first prize
29. had no difficulty finishing my math homework
30. By teaching them new skills and training them; will benefit from this project
31. Through unremitting efforts; has made great progress in creating a better world for children
32. will miss a lot of fun
33. were divided into four groups
34. made little difference to the game
35. help you make a good start
36. Thanks to the efforts of citizens over the years; has become a great environmentally-friendly city
37. doesn't have to worry about running out of energy
38. is trying hard to reduce its desert area
39. so that more waste can be recycled
40. In addition; by refusing to use disposable plastic bags and bottles

本题主要考查译林版八年级下册的核心词汇、固定句型与语法点，具体如下：
1. 考查固定句型“be + 形容词 + enough to do sth.”（足够……去做某事）及固定短语“make sb. feel at home”（让某人感到宾至如归），需用不定式形式。
2. 考查if条件状语从句的“主将从现”原则，从句用一般现在时，主句用一般将来时；“污染”与“产生”是被动关系，主句用一般将来时的被动语态。
3. 前半句考查“want to do sth.”（想要做某事）的固定搭配；后半句考查常用表达“can never go wrong by doing sth.”（做某事绝对不会出错），英语中日常用you表敬称。
4. 考查固定短语“be used as”（被用作……），结合主语the plane（单数）用一般过去时的被动语态。
5. 考查固定句型“It is + 形容词 + of sb. to do sth.”，形容词careless修饰人的品质，用of引出逻辑主语。
6. 考查固定句型“It is + 形容词 + of sb. to do sth.”，形容词rude修饰人的品质，用of引出逻辑主语。
7. 考查固定句型“It is + 形容词 + for sb. to do sth.”，形容词unnecessary、important描述事物性质，用for引出逻辑主语。
8. 考查固定短语“make a great difference to...”（对……产生重大影响），结合现在完成时填过去分词形式。
9. 考查固定短语“keep doing sth.”（不断做某事），结合前面的told（一般过去时）填过去式kept。
10. 考查固定句型“It is + 形容词 + for sb. to do sth.”及固定短语“get used to...”（适应……）。
11. 考查固定句型“It is + 形容词 + to do sth.”及固定短语“work closely with...”（与……密切合作）。
12. 考查固定结构“not...but...”（不是……而是……），前后保持不定式结构一致。
13. 考查固定句型“too...to...”（太……而不能……），表否定含义。
14. 考查固定短语“be used to do sth.”（被用来做某事），结合主语Good manners（复数）用一般现在时的被动语态。
15. 考查原因状语从句，英语中常用“tipping is rare here”表达“很少给小费”。
16. 考查固定句型“It is impolite to do sth.”（做某事是不礼貌的），“直呼其名”用“call sb. by their first name”。
17. 考查固定句型“too...to...”（太……而不能……），表否定含义。
18. 考查固定短语“follow rules”（遵守规则）、“make sure”（确保），用不定式表目的。
19. 考查固定短语“remind sb. to do sth.”（提醒某人做某事），主语是第三人称单数，谓语用三单形式。
20. 考查固定短语“remind sb. of sth.”（让某人想起某事），主语是复数，谓语用原形。
21. 考查固定短语“more and more + 形容词”（越来越……），结合现在进行时表现阶段的变化趋势。
22. 考查固定短语“provide sth. for sb.”（为某人提供某物），用不定式表目的。
23. 考查固定短语“be proud of doing sth./take pride in doing sth.”（为做某事感到自豪），主语是第三人称单数，谓语用三单形式。
24. 考查固定短语“sign up for”（报名参加）及“volunteer to do sth.”（自愿做某事），用一般现在时。
25. 考查固定短语“develop a serious blood disease”（患严重血液病），结合“has been in hospital since last month”用现在完成时。
26. 考查固定短语“operate on sb.”（给某人做手术），结合“during my last visit”用一般过去时。
27. 考查固定短语“hand out sth. to sb.”（向某人分发某物），结合“at the beginning of the game”用一般过去时。
28. 考查固定短语“try one's best to do sth.”（尽全力做某事），主语是第三人称单数，谓语用三单形式。
29. 考查固定短语“have no difficulty (in) doing sth.”（做某事毫不费力），结合语境用一般过去时。
30. 考查“by doing sth.”（通过做某事）表方式；后半句用一般将来时表未来的希望。
31. 考查“by doing sth.”（通过做某事）表方式；“取得进步”用“make progress”，结合语境用现在完成时。
32. 考查if条件状语从句的“主将从现”原则，主句用一般将来时。
33. 考查固定短语“be divided into”（被分成……），结合语境用一般过去时的被动语态。
34. 考查固定短语“make little difference to...”（对……没有多大影响），结合语境用一般过去时。
35. 考查固定短语“help sb. do sth.”（帮助某人做某事）及“make a good start”（开个好头）。
36. 考查固定短语“thanks to...”（多亏了……）；后半句用现在完成时表过去动作对现在的影响。
37. 考查固定短语“don't have to worry about...”（不必担心……），主语是单数，谓语用三单形式。
38. 考查现在进行时表现阶段的动作，结合固定短语“try hard to do sth.”（努力做某事）。
39. 考查固定短语“so that...”（以便……）引导目的状语从句，从句用情态动词的被动语态表可能性。
40. 考查固定短语“In addition”（此外）表递进；“by doing sth.”（通过做某事）表方式。