视网膜屏障受到破坏，可发生视网膜________、________和_______。
要到微信小程序或APP查看答案哦。
实在点不开答案，可以分享到微信，
在微信里面查看答案。
APP具体操作流程为：
There was once a group of young people searching everywhere for happiness but what they got was only annoyance, grief and misery. So they Socrates for advice on where happiness . But giving any answers, Socrates asked them to help with building a first. The group of guys had to the task, laying aside their own business of seeking happiness. It took them a long time to cut down a tall tree, gouging out (挖空) the center. Through painstaking effort, they made a canoe out of the tree. They launched the canoe into a river, and then together in it, singing with . Socrates asked, “My children, do you have happiness now?” They answered in chorus: “We be happier!” Socrates , “That’s it! you are too busy pursuing something to notice anything bitter, happiness will occur.” From the story I got to know that happiness hides behind every tiny thing that you are involved in, and that you may only get pleasure through work and creativity. We may have to pain in our daily life and in the process of happiness. Sometimes we tend to look for happiness in things, like a new car, clothes, etc. True long term happiness, however, comes from within our and spirit. So why not turn suffering into life, and tears into the light in your heart? Only in this way can we make it through and find true happiness. So my dear friends, just remember happiness is a state of mind and a matter of , and I you all a life of happiness.
|
以下说法正确的是 [ ]
A．小昆虫能在水面上自由来往而不陷入水中是液体表面张力在起作用
B．小木块能够浮于水面上是液体表面张力与其重力平衡的结果
C．缝衣针浮在水面上不下沉是重力和水的浮力平衡的结果
D．喷泉喷射到空中的水形成一个个球形的小水珠是表面张力作用的结果
兴奋性是机体______的能力。
A．做功
B．运动
C．对刺激产生反应
D．适应
痿证脾胃虚弱证的治法是
A．清热润燥，养阴生津
B．清热利湿，通利经脉
C．补脾益气，健运升清
D．补益肝肾，滋阴清热
E．益气养营，活血行瘀
抗阻力运动