体内平衡法则是指生物体能够调控自身内部环境的能力。在长期进化过程中,大自然赋予人类躯体保持体内各种稳态的能力。然而,环境污染、不良生活方式等因素诱发人体内能量、营养素、激素、微生态等方面的生化失衡,破坏原有稳态。这表明( )①人为事物的联系比自在事物的联系具有更大的破坏性②人类在调控体内平衡方面并不比其他生物体具有更多的主动性③外部因素能引起事物内部联系的改变,从而影响事物性质和状态④内部与外部的联系是维系人体原有稳态的必要条件
The ________ of school leavers that go to university is about fifty percent.
The generation________makes it difficult for parents to understand their children’s opinions.
The Students’ Union was founded for the________of them.
Don’t try to persuade your boss;he won’t have the________of employing me—a flesh student.
Your work experience is a big________in the job market but your poor eyesight will limit your choices.