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【简答题】
目前用做蛋氨酸添加剂的产品主要有____、DL—蛋氨酸羟基类似物及其钙盐(MHA-Ca)和N-羟甲基蛋氨酸。饲料中添加的赖氨酸为L—赖氨酸,作为商品的饲用级赖氨酸通常是纯度为98.5%以上的____,相当于含赖氨酸(有效成分)78,8%以上。
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举一反三
【简答题】We hope to have an income of an average a_________ growth rate of 10%.
【单选题】Your enquiry is having our prompt ____and we hope to make an offer in a few days.
A.
attention
B.
settlement
C.
arrangement
D.
worry
【简答题】Your enquiry is having our prompt and we hope to make you an offer in
a few days.A. attention B. settlement C. arrangement
【单选题】Operations are the various ___________ activities a firm undertakes.
A.
value-creation
B.
risk-taking
C.
profit-making
D.
cost-saving