【正文】
ords. Students read the text. T: Ask your group member if he or she can help you understand the words. Don’ t fet to tell each other why. If you still have any problems, you can ask me for help. Students discuss with each other. T: Now, I am going to ask you the meanings of some new words. Try to guess. Students try to explain. (2) Read for details a. Read P1 T: In this paragraph, how many questions can you ask after reading? Ask your questions and invite your classmates to answer it. b. Read P25 T: After reading, help the police finish the table below: What is known/ unknown? What is known? What is unknown? (the time of the murder。 the tool of the mu