孕40周新生儿每日钠的需要量约是（）。
A.0.5～0.9mmol/kg
B.1～2mmol/kg
C.3～4mmol/kg
D.5～6mmol/kg
E.7～8mmol/kg
参考答案：B
解析：足月儿钠需要量1～2mmol/（kg·d），<32周早产儿为3～4mmol/（kg·d）；初生婴儿10天内一般不需补钾，以后需要量为1～2mmol/（kg·d）。
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| Russ was a lovable kid with a variety of communication challenges-a speech impediment(语言障碍), dyslexia(诵读困难), and auditory problems.__1__today he is walking confidently, standing tall to make an acceptance__2__for having been chosen one of the "Outstanding Young Citizens" in Ocean County, New Jersey__3__his remarkable volunteer service in the town of Toms River. As I listened, I closed my eyes.I found myself __4__ those memorable moments.My mind was full of warm images of Russ as a loving, caring youth, a gentle soul, __5__ his challenges.And now, as he stood at the platform, I knew his heart __6__be racing.As Russ continued to speak, I thought about the fateful day when he was diagnosed with all those impairments(损伤) and how__7__ his tutors would be if they could see him today.Here he was at twentynine, being honored for ten years of service as a volunteer __8__.Russ was__9__for organizing clothing for the homeless, teaching preschool children about fire safety, and for playing Santa Claus for very sick children by driving up in a fire truck. Russ thanked his parents for providing him with dignity and for teaching him about morals.Then, pausing for a few seconds, he __10__ us by surprise by touching lovingly on the __11__ of his nephew, Austin. Austin was just three years old when he died from an incurable disease.At that moment, I had to close my eyes again__12__ a different set of tears ran down my cheeks.A silence__13__ the room as Russ owed his volunteer award to Austin.He __14__his address by lifting up the audience with these words, "Austin taught me how to love." I have never thought of this day.__15__, no one had ever thought that Russ would made __16__ as the star of the football team, and he had never been voted "most likely to succeed", but he__17__ to be a true "star" in his community.Russ became a man of strong character __18__ his unselfish service to others.With so many impairments, Russ now sees and acts __19__ with his heart.His words and deeds inspire everyone who knows him.It is Russ, our son, who has shown us what__20__ is. | |||
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