文章列表

• 1.听力文摘：大陆相撞：我们星球的历史
• When Continents Collide: The History Of Our Planet 大陆相撞：我们星球的历史 It was one of the Earth's momentous times. Continents collided. Volcanoes ...
• 2.听力文摘：为什么斑马身上有条纹？
• Why Do Zebras Have Stripes? 为什么斑马身上有条纹？ For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar ...
• 3.听力文摘：穴居人怎样抵抗疾病
• How Neanderthals Fought Disease 穴居人怎样抵抗疾病 Every year people are encouraged to get their annual flu shots. Signs are posted at drug stores and...
• 4.听力文摘：冻结的一瞬!
• Freeze 冻结的一瞬 Suppose you are an animal. Well, actually, you are an animal, but suppose youre another kind of animal, maybe something small that m...
• 5.听力文摘：糜鹿也有关节炎？
• Did You Know That Moose Can Have Arthritis? 糜鹿也有关节炎？ Its easy to tell, even at a glance, that people and moose are pretty different. Moose, at...
• 6.听力文摘：什么是鲜奶油？
• What Is Whipped Cream? 什么是鲜奶油？ It adorns ice cream sundaes, pumpkin pie, gingerbread, and hot chocolate. Its sweet creaminess tantalizes taste ...
• 7.听力文摘：短信脖子病
• Beware Of Text Neck! 小心短信脖子 Remember when the Blackberry was all the rage, and people worried about straining their thumbs typing on that tiny k...
• 8.听力文摘：为什么高海拔会引起头痛？
• Why Does Altitude Cause Headache? 为什么高海拔会引起头痛？ Mountain climbers face many dangers as they brave the cold winds and icy slopes and jagged ...
• 9.听力文摘：运动会引发头痛吗？
• Does Exercise Trigger Headache? 运动会引发头痛吗？ Dear A Moment of Science, 亲爱的片刻科学家， I like to exercise, but I suffer from migraines and wo...
• 10.听力文摘：气球不见之后发生了什么?
• Fairs, carnivals, festivals or anywhere you can buy helium-filled balloons, youre sure to see at least one balloon rising into the sky after someone a...