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【单选题】
以下有关可视化方法作用的说法，错误的是哪个？A.
可视化可以在数据预处理阶段，帮助数据分析者发现变量之间的关系。
B.
可视化不是简单地把数据展示成图形，可能要放在原始数据加工后更有效。
C.
可视化可用作机器学习过程的观察以及结果的展示。
D.
可视化就是一种艺术创作，可以创造新的规律。
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举一反三
【单选题】Which of the italicized parts indicates CONTRAST?
A.
Mr. White is principal of the school, and an expert in translation.
B.
He is not man enough, and that's all.
C.
Jack grew wheat on his farm during the day, and at night he studied astronomy.
D.
He got up very early, and he failed to catch the morning train.
【单选题】关于转子流量计描述错误的是（）。
A.
流量计必须安装在垂直走向的管段上
B.
流体介质自下而上通过转子流量计
C.
利用节流元件的前后压力差测量
D.
转子流量计由两个部件锥形管和转子组成
【简答题】Mr. Brown is a very white man. He was looking rather green the other day. He has been feeling blue lately. When I saw him he was in a brown study. I hope he'll soon be in the pink again.
【简答题】One day Mr. and Mrs. White go shopping by car. They stop their car near a store. They buy a lot of things and they want to put the things in the car. But Mr. White can’t open the door of the car, so t...
【单选题】关于压力计安装描述错误的是( )
A.
要选择测量介质拐弯处安装
B.
要测量流动介质时，应使取压点与流动方向垂直安装
C.
要测量液体压力时，取压点应安装在管道下部
D.
测量蒸汽压力时应安装凝液管
【简答题】单词拼写。 1. Mr. White is a teacher. He works in a middle s_____. 2. I g_____ up at haft past six every morning. 3. In Changsha it's very hot in summer and very c_____ in winter. 4. I could look a_____ my...
【单选题】下列营养性巨幼细胞性贫血的叙述错误的是:
A.
Hb下降比红细胞计数下降更为明显
B.
目光呆滞、反应迟钝
C.
智能落后、行为倒退
D.
面色苍白、头发稀疏
E.
全身震颤
相关题目：
【单选题】关于转子流量计描述错误的是（）。
A.
流量计必须安装在垂直走向的管段上
B.
流体介质自下而上通过转子流量计
C.
利用节流元件的前后压力差测量
D.
转子流量计由两个部件锥形管和转子组成
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