【简答题】按 WHO/FAO推荐,人体基础代谢每kg体重每天需要N 55mg,假设混合膳食中蛋白质的平均消化率为70%,平均生物学价值(BV)为60%,实际生活中,休闲状态下的需要(维持需要)应在上述基础上增加20%。假设一体重为60kg的青年大学生,学习、工作的需要应再在维持需要的基础上增加30%。请计算: (1) 每 kg体重每天基础代谢的蛋白质需要。 (2) 每 kg体重每天休闲状态的蛋白质维持需要。...
【判断题】航班延误预计在 1 — 4 小时以内 ( 含 4 小时 ) 的航班,应及时向旅客提供餐饮。
【判断题】在if语句结构中,必须有一个End if 语句结束。( )
【简答题】用括号中所给词的正确形式填空。 funny tooth hours lunch with from watch early also because Tom is in a football club. He works very long 1 . He likes playing football. 2 he thinks it is very 3 . He 4 has a ...
【简答题】阅读理解。 Tom is my classmate. We have very different eating habits. My diet (饮食) is healthy but his is not. For breakfast, I have a glass of milk, some bread and an egg. Tom has a cup of coffee, some sau...
【简答题】水泥稳定土基层现场取芯的目的是__、__等。
【单选题】天津市简称津,它地处华北平原东北部渤海之滨,总面积11916.85( ),素有渤海明珠之称。
【判断题】航班延误预计在1—4小时以内(含4小时)的航班,应及时向旅客提供餐饮。
【单选题】— Hello, this is Tom. Is Jack in? — Sorry, he _________to his uncle’s home. May I take a message?