Unit 2 Out of this world Grammar and usage 课件-2024-2025学年高中英语译林版（2020）选择性必修第三册

Subject clauses （第一课时） 1 What can you learn from the photo? Lead-in China has made a major breakthrough in its lunar exploration. Verb Subject Object Adverbial It is obvious. That China has made a major breakthrough in its lunar exploration is obvious. Subject clausee It is obvious that China has made a major breakthrough in its lunar exploration We can use a noun clause as the subject of a sentence to make the sentence more colourful, and this noun clause is called subject clause. Explore the rules The development of telescopes Time Name Function In the early 1600s Galileo’s telescope It is the _______ used telescope to explore the sky. In _______ _______ Space Telescope It can see _______ than ground-based telescopes, and allows scientists to learn more about the universe. In _______ _______ Space Telescope It has detected ________________________that are almost the same size as the Earth. In recent years _______ It is the _______ radio telescope in the world and it is able to see _______ into space than any other radio telescope. 1900 first Hubble further 2009 Kepler many suitable planets FAST largest deeper Explore the rules That Hubble is based in space allows it to see further than ground-based telescopes, and it allows scientists to learn more about the universe. Conjunction that that 只起连接作用，本身无意义，不充当任何成分，但不能省略。 Rule 1:we can use_______ to introduce a subject clause when the clause is a statement. Explore the rules Whether life on other planets does exist is yet to be proved, but the signs are promising: Kepler has detected many suitable planets that are almost the same size as the earth. Conjunction whether whether 不充当从句的任何成分。 Rule 3:we can use ________ to introduce a subject clause when the clause is a yes-no question. Explore the rules It is clear that telescopes are crucial tools for space exploration and that developing the required technology will help astronomers all over the world make exciting discoveries. it It is + noun/adjective/intransitive verb/past participle +that...... Rule 2:we often use _______ as the preparatory subject when a subject clause is very long. Explore the rules How much we will learn from the telescopes is merely limited by our imagination. Conjunction question Rule 4:we can use a ________ word to introduce a subject clause when the clause is a wh-question. Explore the rules What she said is true. Who will take part in the meeting has not been decided. Whoever breaks the law will be punished. Which student will win the game is uncertain. Why they suddenly disappeared still remains a mystery. When they will set off is not decided. Where she is from is unknown. How we will paint the house has not been decided. 疑问词在主语从句中充 当主语、宾语、定语、 状语，不能省略。 主语从句中要用_______ 语序。 陈述 Applying the rules 1. The space mission went so well was beyond our expectations. 2. Whether they are able to grow more vegetables in space depend on how much time it takes. 3. It was not clear how long he will stay on the space station. 4. What the lunar probe did not land was a worry for the people back on the Earth. 5. That makes the Chinese people happy is that China has successfully launched a space rocket. That the space mission went so well depends would Why What Applying the rules orbited scanned detailed landed far 2020 2010 collected samples Landing Applying the rules (1) It is certain that China has successfully completed the three stages of the program. 很确定，中国已经成功完 成了这三个阶段 (2)Regardless of what other countries do, China will pursue the path of peaceful development in space with a view to the moon, Mars and beyond. 不管别的国家怎么做， 中国将坚持走和平发展 的太空道路，着眼于月球、 火星甚至其他星球 Applying the rules (3)自从20世纪以来，外太空已经成为人类最前沿领域，把握并且知道如何有效利用它对于人类来说至关重要。 (3)Since the 20th century, outer space has been the newest frontier of humankind, it is crucial that we can understand it and know how to use it productively . (4)科学家发现强有力的证据表明火星上有水流，这意味着这颗红色星球上有生命的可能。 That scientists found compelling evidence that there is liquid water flowing on Mars means there's the potential for life on the Red Planet Writing Write down your prediction about the development of space exploration, using subject clauses.(60 words) The future of space exploration is bright. ...... The space is not astronauts'space, but all people's. ------Danny Scotitti $$