英语科学随笔PDF电子书下载

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Pretecting Miraculous Wildlife保护神奇的野生世界Struggling to Stay Afloat 1

Visiting the Heart of Alligator Country 10

Parrots,Endearing Members of the Family 21

Camels 27

Periodical Cicadas 31

Can Time Heal Zambia's Elephants 41

Exploring the Sensory Lives of Sea Lions 54

The Strange World of the Shrike 62

The Evolution of the Wolf 69

Organic Way of Ridding Moles in Your Lawn 74

Seeking Harmonious Nature寻求和谐的自然空间Children First 76

What ls an El Nino 90

How to Create a Wildlife Garden 94

Alan B.Shepard,Jr 100

NASA Study Shows Common Plants Help Reduce Indoor Air Pollution 111

Early Human Activity in Australia May Have Led to Animal Extinctions 114

The Coming Climate 119

The 20th Anniversary of the Catastrophic Eruption 134

Tsunami 138

Astrolabe 154

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