Unit 1 Electronics in The Home 1
Part 1 Lead-in 1
Task 1 Match the types of the devices to the pictures 1
Part 2 Dialogue 2
Part 3 Reading 2
Task 2 Fill in the gaps in this table with the help of the text： 3
Task 3 Make your choice according to the passage 3
Part 4 Notes 4
Part 5 Grammar 5
Task 4 Look and write． 8
Task 5 Think and complete． 9
Part 6 Read more 9
Task 6 Try to match the following columns． 10
Task 7 Try to match the following columns 10
Part 7 New words ＆ Expression 10
Unit 2 Component Values 12
Part 1 Lead-in 12
Task 1 Fill in the missing colors in the table with the help of the text． 12
Part 2 Dialogue 12
Part 3 Reading 13
Task 2 Find the values and tolerance of resistors band ed as follows． Then compare your answer with your partner． 14
Part 4 Notes 14
Part 5 Grammar 15
Task 3 Find the statements that are passive voice． 16
Task 4 Fill in the blanks with the correct form of the verb． 17
Part 6 Read more 17
Task 5 This table provides the terms you need． Describe the value of these com- ponents with the help of the table． 18
Task 6 Describing block diagrams and circuits， fill in the gaps in this description of the tuned circuit shown in Fig．2． Each gap represents one word． 19
Part 7 New words ＆ Expression 19
Unit 3 Electronic Components 22
Part 1 Lead-in 22
Task 1 Match the types of the components to the pictures 22
Part 2 Dialogue 23
Part 3 Reading 24
Task 2 Write T (True) or F (False) beside the following statements about the text． 26
Task 3 Match the following terms to appropriate definition or expression． 27
Task 4 Fill in the missing words according to the text． 27
Part 4 Notes 27
Part 5 Grammar 29
Task 5 Read and decide． 30
Task 6 Choose the best answer． 31
Part 6 Read more 32
Task 7 Complete the following statements with a，b， or c， score one mark for each correct answer． 32
Part 7 New words ＆ Expression 33
Unit 4 Battery Charger 35
Part 1 Lead-in 35
Task 1 Here are some circuit symbols． Label them and describe their function． 35
Part 2 Dialogue 36
Part 3 Reading 37
Task 2 Each of these verbs has a related noun ending in ?er or ?or which refers to an instrument or component． Complete the column of verbs into nouns． 39
Task 3 Match each component or unit with its function in a battery charger． 39
Part 4 Notes 40
Part 5 Grammar 41
Task 4 Read and match． 43
Task 5 Choose and complete． 44
Part 6 Read more 44
Task 6 Write T (True) or F (False) beside the following statements about the text． 45
Task 7 Fill in the missing words according to the text． 46
Task 8 Match the following terms to appropriate definition or expression． 46
Part 7 New words ＆ Expression 46
Unit 5 Alarm Systems 49
Part 1 Lead-in 49
Task 1 Each word in column A often goes before one word from column B． Find the other word pairs． 49
Part 2 Dialogue 49
Part 3 Reading 50
Task 2 Use information from the text to complete the tables． 52
Task 3 Use words from the text to complete the following table． 52
Part 4 Notes 52
Part 5 Grammar 53
Task 4 Choose and complete． 57
Task 5 Read and match． 57
Part 6 Read more 57
Task 6 Fill the gaps in this diagram with the help of the text． 59
Task 7 Now fill in the gaps in this diagram with the help of the text． 59
Part 7 New words ＆ Expression 59
Unit 6 Test and Repair Instruments 61
Part 1 Lead-in 61
Task 1 Match the types of the instruments to the pictures． 61
Part 2 Dialogue 62
Part 3 Reading 62
Task 2 Which of the instruments would you use to do the follouing operations? 63
Task 3 Make your choice according to the text． 64
Task 4 Try to match the following columns． 64
Part 4 Notes 64
Part 5 Grammar 66
Task 5 Choose the best answer． 68
Task 6 Think and complete． 69
Part 6 Read More 69
Task 7 Write T (True) or F (False) beside the following statements about the text． 70
Task 8 Fill in the missing words according to the text． 70
Part 7 New words ＆ Expression 71
Unit 7 Digital Circuit 73
Part 1 Lead-in 73
Task 1 Match each logic gate with its truth table for each of the following． 73
Part 2 Dialogue 74
Part 3 Reading 75
Task 2 Write T (True) or F (False) beside the following statements about the text． 76
Part 4 Notes 77
Part 5 Grammar 78
Task 3 Read and complete． 80
Task 4 Choose the best answer． 81
Part 6 Read more 81
Task 5 Try to match the following columns． 83
Task 6 Combine the half statement in the number order with those in the alphabetic order． 83
Part 7 New words ＆ Expression 84
Unit 8 Computer 86
Part 1 Lead-in 86
Task 1 The following pictures are kinds of hardware． Do you know their English names? 86
Part 2 Dialogue 87
Part 3 Reading 88
Task 2 Can you write the full form of these abbrevia- tions? 89
Task 3 Try to match the following columns： 89
Part 4 Notes 89
Part 5 Grammar 90
Task 4 Read and underline． 94
Task 5 Choose and complete． 95
Part 6 Read more 95
Task 6 Try to match the following columns． 96
Task 7 Make your choice according to the text． 96
Part 7 New words ＆ Expression 97
Appendix A Vocabulary 99
Appendix B Translation of The Texts and Keys to The Exercises 111
Unit 1 Electronics in the home 111
参考译文 111
参考答案 112
Unit 2 Component values 113
参考译文 113
参考答案 114
Unit 3 Electronic components 115
参考译文 115
参考答案 117
Unit 4 Battery charger 118
参考译文 118
参考答案 119
Unit 5 Alarm systems 121
参考译文 121
参考答案 122
Unit 6 Test and repair instruments 122
参考译文 123
参考答案 125
Unit 7 Digital circuit 126
参考译文 126
参考答案 128
Unit 8 Computer 128
参考译文 128
参考答案 129
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