Page 351
Answers to review questions
2.1
A
F
B
F
C
T
D
T
E
T
2.2
A
T
B
T
C
T
D
T
E
F
2.3
A
1 and 7
B
4
C
3
D
5
E
8
F
6
G
2
3.1
A
T
B
F
C
F
D
F
E
T
3.2
A
T
B
T
C
T
D
T
E
F
3.3
A
T
B
F
C
T
D
T
E
F
4.1
A
F
B
T
C
F
D
T
E
F
4.2
A
T
B
T
C
F
D
T
E
T
4.3
A
T
B
T
C
T
D
F
E
T
4.4
A
T
B
T
C
F
D
T
E
F
4.5
A
F
B
T
C
T
D
T
E
T
5.1
A
T
B
T
C
F
D
T
E
T
5.2
A
T
B
T
C
T
D
T
E
T
5.3
A
T
B
F
C
T
D
T
E
T
5.4
A
F
B
F
C
T
D
T
E
T
6.1
A
T
B
F
C
T
D
F
E
T
6.2
A
T
B
T
C
T
D
T
E
F
6.3
A
5
B
2
C
1
D
3
E
4
6.4
A
2
B
1
C
5
D
3
E
4
6.5
A
F
B
F
C
F
D
F
E
T
7.1
A
T
B
T
C
T
D
F
E
T
7.2
A
T
B
F
C
F
D
T
E
T
7.3
A
T
B
F
C
T
D
F
E
T
7.4
A
T
B
T
C
F
D
T
E
T
7.5
A
T
B
F
C
F
D
T
E
T
7.6
A
T
B
T
C
T
D
F
E
T
7.7
A
T
B
F
C
T
D
T
E
F
8.1
A
F
B
T
C
F
D
F
E
F
8.2
A
F
B
F
C
F
D
T
E
F
8.3
A
F
B
T
C
F
D
T
E
F
Page 352
8.4
A
F
B
F
C
F
D
T
E
F
8.5
A
F
B
F
C
F
D
F
E
T
8.6
A
T
B
F
C
T
D
T
E
T
8.7
A
T
B
T
C
F
D
T
E
T
8.8
A
T
B
F
C
T
D
F
E
T
8.9
A
T
B
T
C
F
D
T
E
F
8.10
A
F
B
F
C
F
D
T
E
T
8.11
A
T
B
F
C
T
D
F
E
T
8.12
A
F
B
F
C
T
D
T
E
T
8.13
A
F
B
F
C
F
D
F
E
T
8.14
A
F
B
T
C
F
D
F
E
F
8.15
A
F
B
T
C
T
D
T
E
T
8.16
A
F
B
T
C
T
D
F
E
T
9.1
A
F
B
T
C
F
D
F
E
F
9.2
A
T
B
T
C
T
D
F
E
T
9.3
A
F
B
T
C
F
D
F
E
F
9.4
A
F
B
F
C
T
D
F
E
F
10.1
A
T
B
T
C
T
D
F
E
T
10.2
A
T
B
T
C
T
D
F
E
T
10.3
A
T
B
F
C
T
D
T
E
T
11.1
A
T
B
T
C
F
D
T
E
F
11.2
A
T
B
T
C
T
D
F
E
F
11.3
A
T
B
T
C
F
D
T
E
F
11.4
A
T
B
T
C
T
D
T
E
F
12.1
A
T
B
T
C
T
D
F
E
F
12.2
A
F
B
T
C
F
D
T
E
T
12.3
A
T
B
F
C
T
D
T
E
T
12.4
A
F
B
T
C
F
D
F
E
F
13.1
A
F
B
T
C
F
D
F
E
T
13.2
A
T
B
T
C
F
D
F
E
T
13.3
A
T
B
F
C
T
D
T
E
F
13.4
A
F
B
T
C
T
D
T
E
T
13.5
A
F
B
F
C
T
D
T
E
T
14.1
A
T
B
T
C
F
D
F
E
T
14.2
A
F
B
F
C
T
D
T
E
F
14.3
A
T
B
T
C
F
D
T
E
F
14.4
A
T
B
T
C
T
D
T
E
T
14.5
A
F
B
T
C
T
D
T
E
F
14.6
A
T
B
T
C
F
D
T
E
T
15.1
A
F
B
F
C
T
D
F
E
T
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15.2
A
T
B
T
C
T
D
T
E
T
15.3
A
F
B
T
C
T
D
T
E
F
15.4
A
T
B
T
C
F
D
F
E
T
16.1
A
T
B
T
C
F
D
F
E
F
16.2
A
T
B
F
C
F
D
T
E
T
16.3
A
T
B
T
C
F
D
T
E
T
17.1
A
F
B
F
C
F
D
T
E
F
17.2
A
T
B
F
C
T
D
T
E
F
17.3
A
T
B
F
C
F
D
T
E
F
18.1
A
T
B
F
C
T
D
T
E
T
18.2
A
F
B
T
C
T
D
T
E
T
18.3
A
T
B
T
C
T
D
T
E
F
19.1
A
F
B
T
C
T
D
F
E
T
19.2
A
T
B
F
C
T
D
T
E
F
19.3
A
T
B
F
C
F
D
T
E
T
19.4
A
F
B
T
C
T
D
F
E
T
20.1
A
T
B
T
C
T
D
F
E
T
20.2
A
T
B
T
C
T
D
T
E
F
20.3
A
T
B
T
C
T
D
F
E
T
21.1
A
T
B
T
C
F
D
T
E
F
21.2
A
F
B
T
C
T
D
T
E
F
21.3
A
T
B
F
C
T
D
T
E
F
21.4
A
T
B
T
C
T
D
F
E
T
21.5
A
T
B
F
C
T
D
T
E
T
21.6
A
T
B
F
C
T
D
F
E
T
21.7
A
T
B
T
C
F
D
T
E
T
21.8
A
F
B
T
C
T
D
T
E
T
21.9
A
T
B
T
C
T
D
F
E
F
22.1
A
T
B
T
C
F
D
T
E
F
22.2
A
T
B
T
C
F
D
T
E
F
22.3
A
T
B
T
C
T
D
F
E
F
23.1
A
F
B
F
C
T
D
F
E
T
23.2
A
T
B
F
C
T
D
T
E
T
23.3
A
T
B
T
C
F
D
F
E
T
23.4
A
T
B
F
C
T
D
T
E
T
23.5
A
T
B
T
C
F
D
T
E
T
23.6
A
T
B
T
C
T
D
F
E
T
24.1
A
T
B
T
C
T
D
T
E
T
24.2
A
T
B
T
C
T
D
F
E
T
24.3
A
F
B
T
C
T
D
T
E
F
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24.4
A
F
B
F
C
T
D
T
E
T
24.5
A
T
B
T
C
T
D
F
E
F
25.1
A
T
B
F
C
T
D
F
E
F
25.2
A
T
B
T
C
T
D
T
E
T
25.3
A
T
B
F
C
T
D
F
E
T
25.4
A
T
B
T
C
T
D
F
E
T
25.5
A
F
B
T
C
T
D
F
E
T
25.6
A
F
B
T
C
T
D
F
E
F
25.7
A
T
B
F
C
T
D
T
E
T
26.1
A
T
B
F
C
T
D
F
E
F
26.2
A
F
B
F
C
T
D
F
E
T
26.3
A
T
B
T
C
F
D
T
E
T
26.4
A
T
B
T
C
F
D
T
E
F
26.5
A
3
B
1
C
2
D
4
E
5
27.1
A
T
B
T
C
T
D
T
E
T
27.2
A
T
B
F
C
F
D
T
E
T
27.3
A
F
B
T
C
T
D
F
E
T
27.4
A
F
B
T
C
F
D
T
E
F
27.5
A
T
B
F
C
F
D
F
E
T
28.1
A
T
B
F
C
T
D
T
E
F
28.2
A
T
B
F
C
T
D
T
E
T
28.3
A
T
B
T
C
T
D
F
E
T
28.4
A
F
B
T
C
T
D
T
E
T
28.5
A
1
B
2
C
3
D
2
E
5
29.1
A
F
B
T
C
T
D
F
E
T
29.2
A
T
B
T
C
T
D
F
E
T
29.3
A
T
B
T
C
T
D
F
E
T
29.4
A
F
B
F
C
T
D
F
E
T
29.5
A
T
B
T
C
F
D
T
E
T
30.1
A
T
B
T
C
F
D
T
E
F
30.2
A
F
B
T
C
F
D
T
E
F
30.3
A
T
B
T
C
T
D
T
E
T
30.4
A
F
B
T
C
T
D
F
E
T
30.5
A
F
B
T
C
T
D
F
E
T
31.1
A
F
B
T
C
T
D
F
E
T
31.2
A
T
B
T
C
T
D
T
E
F
31.3
A
F
B
T
C
T
D
T
E
F
31.4
A
F
B
F
C
T
D
F
E
T
32.1
A
F
B
F
C
F
D
T
E
T
32.2
A
T
B
F
C
T
D
T
E
F
Page 355
32.3
A
T
B
T
C
F
D
T
E
F
32.4
A
F
B
T
C
T
D
F
E
T
32.5
A
F
B
T
C
T
D
F
E
T
33.1
A
F
B
F
C
T
D
T
E
T
33.2
A
T
B
T
C
F
D
F
E
F
33.3
A
T
B
F
C
T
D
T
E
T
33.4
A
F
B
T
C
T
D
T
E
T
33.5
A
T
B
T
C
T
D
T
E
F
34.1
A
F
B
T
C
F
D
T
E
F
34.2
A
F
B
T
C
T
D
T
E
F
34.3
A
F
B
T
C
T
D
F
E
T
34.4
A
F
B
T
C
F
D
T
E
F
35.1
A
T
B
F
C
T
D
T
E
T
35.2
A
T
B
F
C
F
D
F
E
F
35.3
A
F
B
T
C
T
D
F
E
T
35.4
A
F
B
T
C
T
D
F
E
F
35.5
A
primary
B
tertiary
C
secondary
D
congenital
E
secondary
F
congenital
35.6
A
T
B
T
C
T
D
T
E
F
36.1
A
T
B
F
C
F
D
T
E
T
36.2
A
T
B
T
C
F
D
F
E
F
37.1
A
T
B
T
C
T
D
F
E
F
37.2
A
F
B
F
C
F
D
T
E
F
37.3
A
F
B
T
C
F
D
F
E
F
37.4
A
F
B
T
C
T
D
T
E
T
37.5
A
F
B
F
C
F
D
T
E
T
Page 356