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【简答题】
母乳中的蛋白质主要是____,牛奶中的蛋白质主要是____,母乳中的蛋白质含量比牛乳____。
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反馈参考答案：
举一反三
【单选题】用直径20mm的铣刀粗加工45号钢的外形轮廓，下面哪个参数设置是合理的？
A.
主轴转速800r/min，进给率0.1mm/min，下刀速度 0.1mm/min，提刀速度100mm/min，切削深度2mm
B.
主轴转速2000r/min，进给率100mm/min，下刀速度100mm/min，提刀速度2000mm/min,切削深度2mm
C.
主轴转速800r/min，进给率100mm/min，下刀速度100mm/min，提刀速度2000mm/min,切削深度2mm
D.
主轴转速800r/min，进给率100mm/r，下刀速度 100mm/r，提刀速度2000mm/r,切削深度2mm
E.
主轴转速800r/min，进给率100mm/min，下刀速度100mm/min，提刀速度2000mm/min,切削深度10mm
【多选题】Why should students study “entrepreneurship”?( )
A.
Understand and have entrepreneurship and innovation education can give them leverage to decide what you want to do.
B.
Understand and have entrepreneurship and innovation education can give them leverage to decide what you can do in your future.
C.
What they learned from being an entrepreneur or thinking as an entrepreneur will be helpful for their future career one way or another.
D.
The essential purpose of Entrepreneurship education is to make every student be an entrepreneur.
【简答题】地表水环境质量现状最常用的评价方法是( )法。
【简答题】请提交早餐奶和早餐奶饼干的入库单和储位分配单
【简答题】What is Mary’s major?
【单选题】According to the passage, why should students register early for the SAT?
A.
Because there will be fewer testing sites near the deadline.
B.
Because they will not have enough time to prepare if they register too late.
C.
Because there will usually be too many people taking the test near the deadline.
D.
Because they can only register online if they do it too late.
【单选题】According to the text,why should students not be blamed for their language deficiency?
A.
The textbook is misleading.
B.
The learning environment is misleading.
C.
The teacher didn't tell the students clearly.
D.
The students are quite lazy.
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