听写填空,只写填空内容,不抄全文,3-5个句子,不用写标号,注意标点~

Scientists are studying the significance of a kiss. [---1---]

Helen Fisher: It can tell you why kissing is so meaningful. Why we're so scared of that first kiss, whether it gonna be right or wrong. [---2---]

You're listening to anthropologist Helen Fisher of Rutgers University, and chief scientific advisor to the online dating site, .

Helen Fisher: The brain is a very fine mechanism for establishing whether we think we're wasting our time on a romantic relationship or not.

[---3---] She said testosterone and estrogen are absorbed into the bloodstream through the cheek cells, and make their way into the brain. Kissing can drive up levels of dopamine – associated with falling in love – and oxytocin which is associated with feelings of attachment.

Helen Fisher: [---4---] Five out of 12!But the nerves, an enormous number of nerves are collecting data and sending very powerful signals to the brain.

For today, that's our show. I'm Lindsay Patterson for ES, a clear voice for science. We're at

【视听版科学小组荣誉出品】

PS:迎接沪江十岁,EarthSky从今天起做一点微小调整,由原来的4词1句改为3-5句,奖励也变为100HY,希望大家多多支持哦~ ^_^
But what can science tell us about kissing that we don't already know? And we somehow sense that kissing is a powerful stimulant to certain brain systems or a powerful turn-off to certain brain systems. Fisher said that when people kiss, they are receiving and interpreting chemical signals. Five of the 12 cranial nerves become activated when you kiss somebody.