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科学美国人: 托福水平进阶素材。篇幅短、语速快、比较学术，可用于学习高难词。

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适合用户：Official材料多已复习，想进一步提升，冲刺高分的学生

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2017年1月
气候变化周期可解释火星地貌_Climate Cycles Could Have Carved Canyons on Mars

科学 开始精听

Climate Cycles Could Have Carved Canyons on Mars
气候变化周期可解释火星地貌
毛细胞可能治愈皮肤疤痕_Hair Cells Could Heal Skin Sans Scars

健康 开始精听

Hair Cells Could Heal Skin Sans Scars
毛细胞可能治愈皮肤疤痕
混凝土缺陷可增加其韧性_Concrete Defects Could Become Strengths

地球 开始精听

Concrete Defects Could Become Strengths
混凝土缺陷可增加其韧性
寨卡病毒与各种出生缺陷有关_Zika Linked to a Variety of Birth Defects

健康 开始精听

Zika Linked to a Variety of Birth Defects
寨卡病毒与各种出生缺陷有关
2016年12月
从肠道微生物角度考虑饮食选择_When Dining for Trillions, Eat Wisely

健康 开始精听

When Dining for Trillions, Eat Wisely
从肠道微生物角度考虑饮食选择
弱猪崽可能偷偷寻求壮猪崽帮助_Weakest Piglets May Sneak Help from Strongest Siblings

地球 开始精听

Weakest Piglets May Sneak Help from Strongest Siblings
弱猪崽可能偷偷寻求壮猪崽帮助
偶尔出现的低温让气候怀疑论者放心_Isolated Low Temps May Reassure Climate Skeptics

地球 开始精听

Isolated Low Temps May Reassure Climate Skeptics
偶尔出现的低温让气候怀疑论者放心
蝙蝠学会对抗白鼻综合症_Bats Learn To Take White-Nose Punch

地球 开始精听

Bats Learn To Take White-Nose Punch
蝙蝠学会对抗白鼻综合症
死灵生物揭示尸体的死亡时间_'Necrobiome' Reveals a Corpse's Time of Death

地球 开始精听

'Necrobiome' Reveals a Corpse's Time of Death
死灵生物揭示尸体的死亡时间
女性怀孕时大脑发生了什么变化_Pregnancy Primes the Brain for Motherhood

健康 开始精听

Pregnancy Primes the Brain for Motherhood
女性怀孕时大脑发生了什么变化
小部分飞行员有自杀倾向_Small Fraction of Pilots Suffer Suicidal Thoughts

心理 开始精听

Small Fraction of Pilots Suffer Suicidal Thoughts
小部分飞行员有自杀倾向
迁徙鸟类偏爱湖畔房产_Migrating Birds Prefer Lakefront Property

地球 开始精听

Migrating Birds Prefer Lakefront Property
迁徙鸟类偏爱湖畔房产
母乳喂养对患有遗传哮喘婴儿的益处_Breast-Feeding Benefits Babies with Genetic Asthma Risk

健康 开始精听

Breast-Feeding Benefits Babies with Genetic Asthma Risk
母乳喂养对患有遗传哮喘婴儿的益处
无人驾驶车辆可能不会提高乘客的工作效率_Self-Driving Cars Probably Won't Boost Commuter Productivity

技术 开始精听

Self-Driving Cars Probably Won't Boost Commuter Productivity
无人驾驶车辆可能不会提高乘客的工作效率
新型杀虫剂让蚊子爆破死亡_New Insecticide Makes Mosquitoes Pop

健康 开始精听

New Insecticide Makes Mosquitoes Pop
新型杀虫剂让蚊子爆破死亡
通勤模式有效预测流感爆发_Commuting Patterns Help Forecast Flu Outbreaks

健康 开始精听

Commuting Patterns Help Forecast Flu Outbreaks
通勤模式有效预测流感爆发
智能材料防止液体飞溅_Stopping Splashes with Smarter Surfaces

技术 开始精听

Stopping Splashes with Smarter Surfaces
智能材料防止液体飞溅
狗狗教授新技能_Dogs Teach Bomb-Sniffing Machines New Tricks

技术 开始精听

Dogs Teach Bomb-Sniffing Machines New Tricks
狗狗教授新技能
强势姿势站不住脚_＂Power Poses＂ Don't Stand Up

心理 开始精听

＂Power Poses＂ Don't Stand Up
强势姿势站不住脚
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XiaoZhan Internet-Based Prep Program for TOEFL iBT Test
Authorized by ETS, XiaoZhan developed this internet-based prep program by using authentic items from retired TOEFL iBT test forms and creating additional practice and exercises based on the test content licensed by ETS.
XiaoZhan Internet-Based Prep Program for TOEFL iBT TestAuthorized by ETS, XiaoZhan developed this internet-based prep program by using authentic items from retired TOEFL iBT test forms and creating additional practice and exercises based on the test content licensed by ETS.
Xiaozhan Internet-Based Prep Program for GRE General TestAuthorized by ETS, Xiaozhan developed this internet-based prep program by using authentic test questions from GRE General Test editions and creating additional practice and exercises based on the test content licensed by ETS.

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