M01 laws tm4 5700. indd

(page 110)
Answers will vary.
PRACTICE 6: Using Word Parts and 
Word Families 
(page 111)
Answers will vary.
CHAPTER 6 
(pages 116–132)
Writing Model 1, Questions about 
the Model 
(page 119)
 1. It discusses mainly the causes of shyness.
 2. Paragraphs 2, 4, 5, and 6
 3. Paragraph 7
 4. (1) biological factors and (2) environmental 
factors
 5. Paragraph 2
 6. Paragraphs 4, 5, and 6
Writing Model 2, Questions about 
the Model 
(page 120)
 1. Both are caused by decreased sunlight.
 2. They cause SAD, a condition that makes people 
depressed during winter.
 3. Doctors advise people to sit in front of a special 
light box and to walk outside in the sunlight.
PRACTICE 1: Identifying and Using 
Collocations 
(page 120)
A environmental causes
 
growing dependence
 
negative consequences
 
positive aspects
 
genetic causes
B 1. genetic causes
 2. 
positive aspects
 3. 
growing dependence
 4. 
environmental causes
 5. 
negative consequences
PRACTICE 2: Analyzing Block 
Organization 
(page 122)
2nd cause: home/family life
3rd cause: culture
4th cause: technology
Effects of shyness: shy people are 
better listeners and high achievers
Shyness has both biological and 
environmental causes.
PRACTICE 3: Analyzing Chain 
Organization 
(page 124)
Body produces more melatonin and less serotonin + 
disturbance in body’s natural clock
Longman Academic Writing Series 4, Fifth Edition, Teacher’s Manual 
●
Student Book Answer Key