◎Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage.



Come explore the dark side! Every day, we find ourselves in the dark – exploring the universe, the animal kingdom, and even ourselves. This reader examines how human and animal life depends on darkness.



多數人對黑暗皆有既定的負面印象，但你可知道，黑夜的存在，對人體的運作有著巨大的影響。地球上，哪些動物由生至死，完全活在黑暗中？宇宙中的黑暗物質，帶有哪些玄秘的力量？每個人的生活裡，都必定有著不欲人知的陰暗面嗎？讓我們來揭開黑暗的面紗！