Come and buy your clothes at our great sale! We sell all our clothes at very good prices. Do you like T-shirt? We have T-shirts in all colors for only 5 dollars! Do you need trousers? We have brown trousers for only 15 dollars
流出肾脏的血液成分与流入肾脏的血液成分相比，其特点是： （ ）
—You can depend on that all of us will stand by you all the time.
下列各数据中，是近似数的有（ ）①小明的身高是183.5米；②小明家买了100斤大米；③小明买笔花了4.8元； ④小明的体重是70千克。
下列关于青春期发育特点的叙述，错误的是（ ）
