Unit 3 Language in use Ⅰ.Teaching model Revision and application Ⅱ.Teaching aims 1．To revise all the key points in this module 2．To know something about rules 3．To develop the habit of obeying the rules 4．To summarize and consolidate the ifclause，the imperative sentence and the new vocabulary Ⅲ.Teaching aids Tape recorder，video Ⅳ.Teaching steps 第一课时(Activity 1－Activity 5) Step 1：Warming up Ask and answer the questions about public signs： 1．What signs do you know 2．Where can you see them 3．Do you always obey the rules that are written on the signs Step 2：Language practice 1．Read the sentences and fill in the blanks with the proper words. (1)No _____，please! (2)_____ cross that rope! (3)Don't _____ rude! (4)If you ever go to London，_____ _____ you _____ the Science Museum. 2．Then check the answers. 3．Read through the example sentences in the box with the whole class. 4．Ask the students to repeat the sentences in the box. Step 3：Practice 1 1．Revise the usage of imperative sentences. 2．Match the signs with the rules in Activity 1. 3．Check the answers and read the signs aloud. 4．Look at the signs and write down the rules in Activity 2. 5．Let three students write their answers on the blackboard. 6．Check the answers. Step 4：Practice 2 1．Revise the usage of adverbial clauses：if…do 2．Complete the sentences with the correct form of the words in brackets in Activity 3. (1)If you _____(want) to see old machines，_____(go) to the museum. (2)If you _____(visit) London，_____(take) a boat trip on the river. (3)If the computer does not _____(start) immediately，_____(wait) for one minute. (4)If the weather _____(get) colder，_____(put) on more warm clothes. (5)If any student _____(have) a high fever，_____ (send) him/her to the school doctor at once. (6)If you _____(want) to know how it works，_____(read) the book. 3．Let some students show their answers. 4．Check the answers. 5．Complete the sentences with your own ideas in Activity 4. If you want to join our team，practise__more__after__class． (1)If you do not like the TV programme，_____ _____. (2)If you want to know where you are，_____ _____. (3)If you cannot arrive at the station on time，_____ _____. (4)If you need to send an email，_____. 6．Ask some students to share their answers with the class. 7．Then check the answers. Step 5：Writing 1．Work in pairs.Ask and answer questions about the museum in Activity 5. 2．Read the information about the Science and Technology Museum. 3．Ask and answer in pairs. —What can you see at the museum —You can see an exhibition about… 4．Write some advice for visitors.Use If. If you want to see ancient technology，go to the ground floor. 5．Then check the answers. Step 6：Homework 1．Revise all the key points in this module. 2．Finish the workbook. Blackboard Design Unit 3 Language in use 1．No shouting，please! 2．Don't cross that rope! 3．Don't be rude! 4．If you ever go to London，make sure you visit the Science Museum. ... ...
