皮皮学，免费搜题
登录
搜题
【多选题】
学龄期儿童生理特点有哪些?A.
能量代谢旺盛，对B族维生素尤其B1，B2需求增加
B.
骨骼快速发育，要保证充足的矿物质，如钙镁铁锌等
C.
生长发育迅速，基础代谢率高，活泼爱动，体力脑力活动量大，每公斤体重的能量需求接近或超过
D.
学习任务较重，思维活跃，必须保证充足的蛋白质供应
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Many Chinese students don't pay much attention to spoken English at school. 许多中国学生在学习时不太重视英语口语。They think it necessary to practice speaking English in class. Here is a story to show you how important ...
【简答题】钢材经过冷加工冷拉、冷弯、冲孔、机械剪切所产生的冷作硬化应变硬化后，其( )基本保持不变。 A抗拉强度和屈服强度 B塑性 C韧性 D弹性模量
【简答题】Identify from which paragraph the information is derived. A law passed recently allows many students to pay no more than one tenth of their income for their college loans.
【判断题】According to the author, many students work in order to pay for the luxuries.
A.
正确
B.
错误
相关题目：