《2025年成才之路高中新课程学习指导高中英语选择性必修第三册人教版》

2. These chemicals led to severe water quality issues, causing a decrease in the number of fish species. 这些化学物质造成了严重的水质问题，导致鱼的种类减少。
句型剖析 此句是简单句，causing a decrease in the number of fish species 是现在分词短语作结果状语，表示意料之中的结果。
经典例句 Little Tom went to the stadium in a hurry, only to be informed the game had been put off. 小汤姆匆匆忙忙地去了体育场，结果却被告知比赛推迟了。
The desks in the Group Study Room are equipped with modern computers, enabling students to gain useful information from the Internet. 小组学习室的课桌配备了现代化的电脑，使学生能够从互联网上获得有用的信息。
联想拓展 (1) 现在分词短语除了在句中作结果状语外，还可充当时 间、条件、原因、伴随、方式以及让步状语等。 (2) 动词不定式通常放在 only 之后作结果状语，表示一种意料之外的结果。
即学即用
单句语法填空
(1)Feeling (feel) tired, he decided to take a nap.
(2)Laughing (laugh) loudly, the children ran across the playground.
(3) He spent hours preparing for the interview, onlyto find (find) out it had been canceled.
完成句子
(4) 因为不知道答案，他保持沉默。Not knowing the answer, he remained silent.
(5) 他兴奋地打开盒子，结果却发现里面是空的。 He opened the box excitedly,only to discover it was empty.

答案：
(1)Feeling
(2)Laughing
(3)to find
(4)Not knowing the answer
(5)only to discover it was empty

Ⅰ. 单词拼写
1. For the government, education is now at the top of theagenda (议程表).
2. Currently, acampaign (运动) of garbage classification is being launched in our school.
3. World Ocean Day, falling on June 8th, is aimed at raising awareness of oceanconservation (保护).
4. Earth Day, marked on 22 April, is anannual (每年的) event aiming to raise public awareness of environmental protection.
5. She is verysensitive (敏感的) to other people's feelings.
6. I can't tell whether he or she is to blame; it's six of one and half adozen (一打) of the other.
7. China has been pushing forward with thereform (改革) of the welfare system for the benefit of all its citizens.
8. 400,000 square kilometres of the Amazonbasin (流域) have already been deforested.
9. Whatever troubles arise, we'll have peace of mind amidst seemingchaos (混乱).
10. After the party, we spent an hour cleaning up thegarbage (垃圾) that was scattered all over the backyard.

答案： 1.agenda 2.campaign 3.conservation 4.annual
5.sensitive 6.dozen 7.reform 8.basin 9.chaos
10.garbage

Ⅱ. 选词填空
in search of, die out, known as, bring about, on behalf of, lead to, as well as, link... to
1.On behalf of my school, I'm writing to invite you to visit the paper-cutting exhibition to be held in our city.
2.Known as China's largest nature reserve, Changbaishan is a wonderful tourist attraction.
3. Rescue workers are digging through the ruinsin search of other victims.
4. Educated people may be surprised to find 200 years ago people didn'tlink illnessto problems in the environment.
5. The invention and the use of the computer havebrought about great changes in the society.
6. Since human appeared in the world, thousands of kinds of animals havedied out.
7. Studying babies' play maylead to a better understanding of science.
8. As we can see, some theme parks are amusingas well as educational.

答案： 1.On behalf of 2.Known as 3.in search of 4.link to
5.brought about 6.died out 7.lead to 8.as well as