健康的生活方式会延长我们的生命。 A: A healthy lifestyle mode can add years to your lifespan. B: A healthy life can add years to your lifespan. C: A healthy lifestyle mode can add your lifespan.

The lifespan of session key is longer than that of master key. ( )

. The lifespan of master key is usually longer than that of session key. ( )

The lifespan of session key is usually longer than that of master key. ( )

This dog is a great pet.If you ____ ____ ____ of him，he can have avery long lifespan. [音频]

【题干】An extended lifespan in the future will allow people to have more careers than now.

观看lead-in第一个视频并思考：视频中对比了不同国家"典型"人民在哪几个方面的特征？ A: lifespan B: weight C: height D: use of water E: amount of waste F: appearance

An extended lifespan in the future will allow people to have more careers than now. A: A B: B C: C D: D E: E F: F G: G H: H I: I J: J K: K L: L M: M N: N

What is the purpose of the reading? （Text 8B) A: to revise the lifespan estimates for three cultures with high longevity B: to compare three cultures and rank in terms of longevity C: to investigate three cultures with high longevity and discover their habits D: to expose the myths about three famous cultures with high longevity

What topics will you cover A: What ADHD is, and the controversies raised by the concept of ADHD B: Latest neuroscientific and psychiatric research based on the C: ADHD as a developmental disorder throughout the lifespan: genes, environments (protective and risk factors) D: Latest neuroscientific and psychiatric research based on the mechanisms, diagnosis and treatment of adult ADHD