A:糖类和脂肪的组成元素相同,彻底氧化的产物和放能情况相同
B:细胞呼吸为三大类营养物质在体内的相互转化提供原料和动力
C:人体受到寒冷刺激时,甲状腺激素分泌增加是体液调节的结果
D:在血糖调节中,胰岛素与胰高血糖素相互促进以维持血糖稳定
①滞留____ A.收留 B.停留
②赡养____ A.子女照顾父母 B.父母照顾子女
③憔悴____ A.瘦弱无力,脸色难看 B.烦恼焦虑,内心不安
④管窥蠡测____ A.眼光狭窄,见识短浅。 B.善于推测,目光远大
⑤一曝十寒____ A.天气寒冷 B.做事无恒心
科学研究表明,人的基因有99.99%是相同的,然而,任何两个不同个体之间大约每1000个核苷酸序列中会有一个不同,这称为单核苷酸多态性(SNP),每个人都有自己的一套SNP,它对“个性”起着决定作用。这表明( )
A
Problems
Causes
Advice
Feel stressed
Too much homework. Don't have enough time for their hobbies.
Make a plan for study and hobbies. Find time to relax.
Get short sighted (近视)
Too much homework. Bad study habits.
Do homework or read in a correct way.
Fight with each other
Don't know how to get on well with classmates.
Make more friends and understand each other.
Don't like to study
Play computer games too much.
Play computer games just for a short time.
Get fat
Have more pocket money to buy snacks. Don't like to do exercise.
Use your pocket money to do something meaningful. Do exercise every day.
地球的气候一直在变,目前全球变暖已经对许多自然系统产生了影响,进而影响农业生产。完成问题。