问题
单项选择题
大豆蛋白质中含有较高的( )，可以和谷物蛋白质互补。
A．酪氨酸
B．组氨酸
C．精氨酸
D．赖氨酸
答案
参考答案：D
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大豆蛋白质中含有较高的( )，可以和谷物蛋白质互补。
A．酪氨酸
B．组氨酸
C．精氨酸
D．赖氨酸
参考答案：D
A first-grade student named Vincent Butterfield has a best friend who gets cancer. He thought that hours of playing and jokes was not enough - he wanted to show how he understood the hard time he was going through. Five-year-old Vincent decided the only way was to shave(剃光)his head to support his best friend Zac Gossage who lost his through chemotherapy(化疗). When the little boy___ why he shaved his hair off, he answered, "To make Zac feel like he's not the only one_____any hair." Vincent has also been learning about cancer and raising money his best friend after learning how his treatments are. He made over 20 and sold them, raising more than $200 to give to Zac. The little boy's mom Karen Butterfield said, "We have been making more scarves and it would be cool if we could sell them ，” When people asked him friendship was like, Vincent looked at his friend Zac and replied, "It's a beautiful thing. Friends always each other."
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