皮皮学，免费搜题
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【单选题】
在界面中不同的区域分别用不同的背景颜色,能够有效的划分界面中不同的功能和内容区域,这体现了色彩在APP设计中的作用是()A.
吸引用户
B.
划分视觉区域
C.
突出主题
D.
增强艺术性
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Good morning, this is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith for this afternoon. W: Yes, Mr. Smith's expecting you at 3 o'clock. Q: Why is the man maki...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change tire time of the appointment.
D.
He wants the woman to meet him at three o'clock.
【单选题】听力原文：M: Good morning. This is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith this afternoon. W: Yes. Mr. Smith's expecting you at three o'clock. Q: Why is the man maki...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change the time of the appointment.
D.
He wants the woman to meet him at three o'clock.
【单选题】听力原文：W: Hello. This is Dr. Gray's office. We're calling to remind you of your 4:15 appointment for your annual check-up tomorrow. M: Oh, thanks. It's a good thing you called. I thought it was 4:15 tod...
A.
The man was confused about the date of the appointment.
B.
The man wants to change the date of the appointment.
C.
The man is glad he's got in touch with the doctor.
D.
The man can't come for the appointment at 4: 1
【多选题】DW检验不能用于下列哪些现象的检验
A.
递增型异方差的检验
B.
u t ＝ ρ u t－1 + ρ 2 u t－2 +v t 形式的序列相关检验
C.
x i =b 0 +b 1 x j +u t 形式的多重共线性检验
D.
E.
遗漏重要解释变量导致的设定误差检验
【单选题】听力原文：M: Good morning. This is John Parker speaking. I'm just ringing to confirm my appointment with Mr. Smith for this afternoon. W: Yes. Mr. Smith is expecting you at 3 o'clock. Why is the man making...
A.
He wants to make an appointment with Mr. Smith.
B.
He wants to make sure that Mr. Smith will see him.
C.
He wants to change the time of the appointment.
D.
He wants the woman to meet him at three o'clock.
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