皮皮学,免费搜题
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【单选题】
在度假,孩子上学,购买和装修住宅时,表现何种家庭决策类型 ( )
A.
各自做主型
B.
丈夫支配型
C.
妻子支配型
D.
共同支配型
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皮皮学刷刷变学霸
举一反三
【单选题】形位公差的标注“符号”的用途
A.
选择形位公差的特征符号
B.
设置公差值
C.
添加直接符号
D.
添加附加符号
【单选题】Only then ______ how much damage had been caused.
A.
had she realized
B.
she realized
C.
did she realize
D.
she had realized
【单选题】She said she _______ the new coat for only a week. [     ]
A.
has bought
B.
had bought
C.
has had
D.
had had
【简答题】国标中规定 : 形状和位置公差 ( 简称形位公差 ) 采用框格和符号表示法标注 。试分析 形位 公差的标注的优点。
【简答题】: 增色效应, 减色效应, 核酸分子杂交, 密码子, 反密码子 ,分子印迹技术 ;病毒,噬菌体; mRNA, tRNA, rRNA, Tm , cAMP, IMP, ATP, bp 中文名称及含义 ; I+G ( 食品工业常用的添加剂 ),
【单选题】如发动机转速升高时,经常发生烧坏用电设备情况,可能的原因是 ( ) 的故障。
A.
、转子总成
B.
、定子总成
C.
、整流器
D.
、电压调节器
【简答题】食品添加剂的名词解释_____。
【单选题】Only then how much damage had been caused [     ]
A.
did she realize
B.
she realized
C.
had she realized
D.
she had realized
【单选题】Only then____that she had made a mistake
A.
she realized
B.
did she realize
C.
had she realized
D.
she had realized
【简答题】名词 解释 : LD50 、 MNL 、 ADl 2 、 简述食品添加剂的基本要求 。
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