Unit 1 Energy Comes in Many Forms 1
1．Warm-up activity 1
2．Leading to Scientific English:Defining 1
3．Oral practice 3
4．Writing practice 4
5．Translate the following passage into Chinese 4
6．Guided-reading 4
7．Answer the following questions according to the reading 7
8．Fill in the blanks with the words used in the reading 8
9．Self-reading 8
Unit 2 Classification of Computers 12
1．Warm-up activity 12
2．Leading to Scientific English:Classifying 12
3．Oral practice 14
4．Writing practice 16
5．Translate the following passage into Chinese 16
6．Guided-reading 17
7．Answer the following questions according to the reading 19
8．Fill in the blanks with the words used in the reading 19
9．Self-reading 20
Unit 3 Ancient Chinese Architecture 25
1．Warm-up activity 25
2．Leading to Scientific English:Exemplifying 25
3．Oral practice 27
4．Writing practice 28
5．Translate the following passage into Chinese 28
6．Guided-reading 29
7．Answer the following questions according to the reading 31
8．Fill in the blanks with the words used in the reading 31
9．Self-reading 31
Unit 4 Global Warming 35
1．Warm-up activity 35
2．Leading to Scientific English:Cause and Effect 35
3．Oral practice 37
4．Writing practice 38
5．Translate the following passage into Chinese 38
6．Guided-reading 38
7．Answer the following questions according to the reading 41
8．Fill in the blanks with the words used in the reading 41
9．Self-reading 41
Unit 5 The Papermaking Process 45
1．Warm-up activity 45
2．Leading to Scientific English:Comparing 45
3．Oral practice 47
4．Writing practice 48
5．Translate the following passage into Chinese 49
6．Guided-reading 49
7．Answer the following questions according to the reading 53
8．Fill in the blanks with the words used in the reading 53
9．Self-reading 53
Unit 6 Internal Body Clock 58
1．Warm-up activity 58
2．Leading to Scientific English:Give Evidence 58
3．Oral practice 59
4．Writing practice 59
5．Translate the following passage into Chinese 60
6．Guided-reading 60
7．Answer the following questions according to the reading 62
8．Fill in the blanks with the words used in the reading 63
9．Self-reading 63
Unit 7 Some Notions about Motion 66
1．Warm-up activity 66
2．Leading to Scientific English:Hypothesis 66
3．Oral practice 68
4．Writing practice 69
5．Translate the following passage into Chinese 69
6．Guided-reading 69
7．Answer the following questions according to the reading 71
8．Fill in the blanks with the words used in the reading 71
9．Self-reading 72
Unit 8 Penny Chemistry 78
1．Warm-up activity 78
2．Leading to Scientific English:Experiment 79
3．Oral practice 80
4．Writing practice 80
5．Translate the following passage into Chinese 80
6．Guided-reading 81
7．Answer the following questions according to the reading 84
8．Fill in the blanks with the words used in the reading 84
9．Self-reading 85
Unit 9 Earth 90
1．Warm-up activity 90
2．Leading to Scientific English:Describing 90
3．Oral practice 92
4．Writing practice 93
5．Translate the following passage into Chinese 93
6．Guided-reading 94
7．Answer the following questions according to the reading 96
8．Fill in the blanks with the words used in the reading 97
9．Self-reading 97
Unit 10 Alcohol And Health 103
1．Warm-up activity 103
2．Leading to Scientific English:Reporting 103
3．Oral practice 105
4．Writing practice 106
5．Translate the following passage into Chinese 106
6．Guided-reading 107
7．Answer the following questions according to the reading 109
8．Fill in the blanks with the words used in the reading 110
9．Self-reading 110
参考答案 116
References 133