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【多选题】
“废品损失”由以下哪些部分构成( )A.
不可修复废品的生产费用
B.
可修复废品的修理费用
C.
扣除回收的废品残料价值
D.
降价损失
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反馈参考答案：
举一反三
【单选题】在Solidworks软件零件特征操作中，旋转特征草图里绘制的构造线是否参与建模？
A.
对称结构参与建模
B.
构造线一定参与建模
C.
构造线不参与建模
D.
构造线没有任何作用
【单选题】For the study, two types of rice were genetically altered to resist two common insect ___________, which usually require heavy use of pesticides to control.
A.
pests
B.
traits
C.
conventional
D.
skeptics
【判断题】A genetically modified organism (GMO) is any organism whose genetic material has been altered using genetic engineering techniques (i.e., a genetically engineered organism).
A.
正确
B.
错误
【判断题】An American scientist claimed he helped make the world ’ s first genetically modified human beings: twin girls whose DNA he said he altered.
A.
正确
B.
错误
【单选题】The use of genetically altered bacteria in bioremediation to clean up oil spills is enhanced by providing which of the following
A.
oil
B.
oxygen
C.
nitrogen
D.
water
【简答题】A genetically modified organism (GMO) is any organism whose genetic material has been altered using _______________________________.
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