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【单选题】
茶多酚的主体成分是? @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }A.
黄烷醇类（ 儿茶素类 ） @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
B.
黄酮类和黄酮醇类 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
C.
花青素和 花白素类 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
D.
泛酸和 羧酸 类 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
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举一反三
【多选题】在flexsim的基本概念中,关于实体描述正确的是:
A.
flexsim主要有五大模块,固定资源类、任务执行类、路径网络类、视觉类、模块
B.
flexsim的流体模块,在物流系统仿真领域的应用比较少
C.
实体主要分为永久实体和临时实体
D.
通常建模中的永久实体从固定资源类模块选取
【简答题】求过两直线x-2y+4=0和x+y-2=0的交点，且分别满足下列条件的直线l的方程． （1）直线l与直线5x+3y-6=0垂直； （2）坐标原点与点A（1，1）到直线l的距离相等．
【单选题】The origin of Cold Food Day comes from the story of .
A.
Qu Yuan
B.
Zhong Kui
C.
Jie Zitui
D.
Hou Yi
【单选题】What lesson can we learn from the story of Dennis ?
A.
Grasp all, lose all.
B.
No sweat, no sweet.
C.
It is no use crying over spilt milk.
D.
He who makes no mistakes makes nothing.
【单选题】标准曲线回归方程 表达式为 : y = bx + a 各子母表达的含义错误的是( )。
A.
b为直线斜率
B.
a为y轴上的截距，应为0
C.
x为被测溶液浓度
D.
y为吸光度
【简答题】铁芯是变压器的 部分。
【判断题】A lesson to be learned from the story of the concept car is that the design and the manufacturing of a product can be done all at the same time.
A.
正确
B.
错误
【单选题】(1502-74)为了通过GUI接收用户输入数据以及获得用户输入的数据,可以采用下面哪种组件?( )
A.
JButton
B.
JLabel
C.
JTextField
D.
JFrame
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