1. 广州市教育局教学研究室英语科 Module 3 Unit 4 Grammar Astronomy: the science of the stars 广州市第三中学 余丽萍、张蓉、吴小虹

2. 广州市教育局教学研究室英语科 Task 1: Group competition (Which is the fastest and finds the most): Discovering subject clauses Find all the noun clauses used as the subject in the reading passage (L13) What is even more important is that … (L18) It was not immediately obvious that … (L21) What many scientists believe is that … (L50) So whether life will continue on the earth for millions of years to come will depend on … (L41) Why they suddenly disappeared still remains a mystery.

3. 广州市教育局教学研究室英语科 Task 2: (P29 Ex. 2) Rewriting subject clauses What has not yet been proved is his discovery. Whether other astronomers accept his ideas remains a question. How life first appeared on earth is still a mystery to scientists. (n.→v.) Why the earth is becoming warmer is an important topic for research. It amazed everybody that Stephen Hawking at 65 experienced zero gravity during a flight. It is a surprise that Pluto is no longer considered a planet in our solar system.

4. 广州市教育局教学研究室英语科 Task 3: (P29 Ex. 3) Finish and discuss: Telling apart subject clauses and object clauses Subject clauses: How dinosaurs disappeared is not only a question… How the climate changed is uncertain,… …whether the climate will change again is a concern… Object clauses: They would like to know why dinosaurs became extinct… Some scientists believe that the earth slowly became hot and dry… Other scientists believe that a comet crashed into the earth…

5. 广州市教育局教学研究室英语科 Task 4: (P64 Ex. 2) Pair work: Complete the sentences with noun clauses as the subject

6. 广州市教育局教学研究室英语科 Task 5: (P64 Ex. 3) Group work: Practice using subject clauses in discussion

7. 广州市教育局教学研究室英语科 Homework: Write a passage on “My problem” according to the result of the discussion (P64 Ex. 3).