各种蛋白质含氮量的平均百分数是（）
A.19%
B.18%
C.17%
D.16%
E.15%
参考答案：D
What would you like _____?[ ]
A. buy
B. to buy
C. buying
D. all the above
“解道澄江静如练，令人长忆谢玄晖”出自李白诗作，诗人在另一首诗中细数魏晋，直接评论谢玄晖的句子是什么？
