走近自然PDF电子书下载

1．A Hawk 1

2．Air 2

3．Algae 4

4．An Ape 5

5．Animals and Aestivation 7

6．Animals and Men 10

7．Animals and Their Languages 12

8．Animals and Their Partners 14

9．Animals Can Be Made to Work for Men 16

10．Antarctica（Ⅰ） 18

11．Antarctica（Ⅱ） 20

12．Amoebas 21

13．Appearance of EL Ni？o 23

14．Apple Trees 25

15．A Tornado 26

16．A Trained Dog 28

17．A Tree Frog 30

18．Bamboo（Ⅰ） 32

19．Bamboo（Ⅱ） 34

20．Bats 36

21．Beavers（Ⅰ） 37

22．Beavers（Ⅱ） 39

23．Beavers（Ⅲ） 41

24．Birds that"See"with Their Ears 43

25．Butterflies 45

26．Can Animals Tell Colours? 47

27．Can Frogs Breathe under Water? 49

28．Can Trees Talk? 50

29．Cats（Ⅰ） 52

30．Cats（Ⅱ） 54

31．Clouds and Fogs 56

32．Cobra 58

33．Coconuts 60

34．Crocodiles 61

35．Deserts（Ⅰ） 63

36．Deserts（Ⅱ） 65

37．Dogs and Colours 67

38．Dolphins 69

39．Double Sun 71

40．Do You Talk to Plants? 72

41．Earthquakes 75

42．Earthworms 77

43．Elephants（Ⅰ） 78

44．Elephants（Ⅱ） 80

45．Elephants（Ⅲ） 82

46．Every Animal Is a Living Radiator 84

47．Fish Can Hear Sounds 86

48．Fish from the Deep 88

49．Fleas 90

50．Folk Weather Sayings 92

51．Foxes 94

52．Gorillas 95

53．Growing Plants Know Directions 98

54．How Do Animals Act towards Men? 100

55．How Do Bats Find Their Way in the Dark? 101

56．How Long Do Fishes Live? 103

57．How to Plant a Garden 104

58．How to Protect Animals 106

59．How to Transplant a Tree 108

60．Hurricanes 109

61．Icebergs 111

62．Jumping Mice 113

63．Koalas 115

64．Lightning 117

65．Man and the Sea 119

66．Men and Rats 121

67．Monkeys（Ⅰ） 123

68．Monkeys（Ⅱ） 124

69．Monkeys（Ⅲ） 126

70．Mosquitoes 128

71．Musical Sands 130

72．Orangutans 131

73．Owls 133

74．Pigeons 136

75．Rainfall（Ⅰ） 137

76．Rainfall（Ⅱ） 139

77．Sea Otters 140

78．Sea Worms 143

79．Shaking Fruit Trees Can Be a Real Art 144

80．Sharks 146

81．Snakes 148

82．Spiders 150

83．St. Bernard Dogs 152

84．The Age of a Tree 153

85．The Animal and Its Speed 155

86．The Ant Lion 157

87．The Ants 159

88．The Baboon 160

89．The Baobab Tree 162

90．The Basenji 163

91．The Bee 165

92．The Blue Tits 167

93．The Brown Bear 169

94．The Cactus 170

95．The Camel 172

96．The Chimpanzee 174

97．The Colours of the Ocean 177

98．The Dodo 179

99．The Eskimo Sled Dog 180

100．The Fiddler Crab 183

101．The Flying Fox（Ⅰ） 185

102．The Flying Fox（Ⅱ） 187

103．The Garter Snake 188

104．The Green Turtles 190

105．The Ideal City Tree 192

106．The Important Service of Trees to Man 193

107．The Interesting Giraffe 195

108．The Jackdaw 197

109．The Jaguar 199

110．The Leopard 200

111．The Lion 202

112．The Ocean and the Atmosphere 205

113．The Opossum 207

114．The Ostrich 208

115．The Panda 211

116．The Peppered Moth 213

117．The Pintail Ducks 215

118．The Piranha 217

119．The Praying Mantis 219

120．The Racoon 221

121．The Rattlesnake 222

122．The Sea 224

123．The Sea Horse 226

124．The Useful Mice 228

125．The Water-breathing Rats 229

126．The White-headed Leaf Monkey 231

127．Thunderstorms 233

128．Tigers 235

129．Travelling Rats 237

130．Tree Rings and Rainfall 239

131．Turtles 241

132．Two Existing Species of Bison 243

133．Volcanoes 245

134．Water（Ⅰ） 246

135．Water（Ⅱ） 248

136．Weasels 249

137．Whales（Ⅰ） 252

138．Whales（Ⅱ） 254

139．Whales（Ⅲ） 256

140．What Do We Do with the Fish? 258

141．Why Don't Birds Get Lost on Long Flights? 259

Key to the Tests 262

后记 264