weigh heavy early nothing course carry everyone like correct lay expression

A psychologist （心理学家） stood in the front of a classroom.She was giving a（an） （1）______ in psychology,and all the students listened carefully in their seats.As she raised the glass of water she （2）______on the desk,they expected the psychologist would ask the "half empty（空的）or half full" question.But,to （3）______surprise she asked, "How heavy is this glass of water?
The answers came out from 0.5 pound to 1.25 pounds.With a "happy" （4）______on her face,the psychologist replied." It doesn\’t matter how much it really（5）______.Instead,it depends on how long I hold it.If I hold it for a minute,it\’s not a problem.I hold it for an hour.l have an ache in my am.If I hold in for a day,my am will feel numb（麻木的）.The fact is- the longer I hold the glass of water,the （6）______it feels."
She continued, "Your stresses and worries are just （7）______this glass of water.How much they will make a difference in your life depends on whether you can deal with （应对） them（8）______.Think about them for a while and （9）______happens.Think about them a bit longer and they begin to hunt.And if you think about them all day long,unluckily,you\’ll feel numb--unable to do anything."
It\’s important to let go of your stresses.Put all your burdens负担） down as (10)______in the evening as you can.Don\’t (11)______them through the evening and into the night.Remember to put the glass down!