实用科技英语PDF电子书下载

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