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【单选题】
下列关于楼梯踏步尺寸叙述 不 正确的是( )
A.
300 ㎜ ﹤ ｇ ﹤400 ㎜
B.
60 ㎜ ﹤ ｇ ﹤310 ㎜
C.
ｇ＋ 2ｒ=600～620㎜
D.
ｇ＋ｒ=450㎜
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举一反三
【判断题】The ears forgive the noise because the noise realizes his fault. ( )
A.
正确
B.
错误
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【多选题】In the videos related to procrastination, a careful distinction was made between "process" and "product." Select the following true statements related to "process" and "product."
A.
The word "product" refers to the flow of time involved in completing an activity, not an actual task, such as completion of a homework set.
B.
Process means the flow of time and the habits and actions associated with that flow of time—as in, “I’m going to spend twenty minutes working.”
C.
As stated in one of this week's videos, you want to avoid focusing on a process because thinking about a process is frequently what triggers the pain that causes you to procrastinate.
D.
As stated in one of the videos, to avoid procrastination you want to avoid focusing on a product, because thinking about completing a product is frequently what triggers the pain that causes you to procrastinate.
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【单选题】滚动轴承一般由( )组成。
A.
外圈、内圈、保持架
B.
外圈，保持架、滚动体
C.
外圈、内圈、滚动体和保持架
D.
外圈和内圈
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【单选题】有如下SQL语句: SELECT DISTINCT productName, price FROM product WHERE (price>(SELECT AVG(price) FROM product)) ORDER BY price DESC; 下面说法错误的是( )。
A.
"SELECT AVG(price) FROM product "是子查询
B.
"ORDER BY price DESC"是指按price从低到高顺序排列
C.
查询结果显示的是大于平均价格的产品记录
D.
此查询显示的字段只有"productName"和"price"
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【多选题】In the videos related to procrastination, a careful distinction was made between "process" and "product." Select the following true statements related to "process" and "product."
A.
As the videos emphasized, "product" refers to being productive--to getting things done in a small amount of time to maximize your ability to go off and have fun.
B.
As stated in one of this week's videos, you want to avoid focusing on a process because thinking about a process is frequently what triggers the pain that causes you to procrastinate.
C.
The Pomodoro technique is effective because it helps you get into the flow of the process.
D.
"Product" refers to the outcome of a task. Examples of "product" include finishing a homework set or completing the writing of a report.
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【单选题】某轴的尺寸为 φ 60h7 ,其表面粗糙度 Ra 值可选 um
A.
0.8~1.6
B.
0.2~0.4
C.
1.6~3.2
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【判断题】人类的性和动物的性没有区别。
A.
正确
B.
错误
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【单选题】某轴的尺寸为φ60h7,其表面粗糙度Ra值可选 μm
A.
0.8~1.6
B.
0.2~0.4
C.
1.6~3.2
查看完整题目与答案
【简答题】After determining the target audience for a product or service, advertising agencies must select the appropriate media for the advertisement. We discuss here major types of media used in advertising. ...
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【单选题】You need to list the name and price of each product, sorted by price from highest to lowest.Which statement should you use? A. SELECT Name,Price FROM Product ORDER BY Price DESC B. SELECT Name,Pr...
A.
Option A；
B.
Option B；
C.
Option C；
D.
Option D
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相关题目：
【判断题】The ears forgive the noise because the noise realizes his fault. ( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】In the videos related to procrastination, a careful distinction was made between "process" and "product." Select the following true statements related to "process" and "product."
A.
The word "product" refers to the flow of time involved in completing an activity, not an actual task, such as completion of a homework set.
B.
Process means the flow of time and the habits and actions associated with that flow of time—as in, “I’m going to spend twenty minutes working.”
C.
As stated in one of this week's videos, you want to avoid focusing on a process because thinking about a process is frequently what triggers the pain that causes you to procrastinate.
D.
As stated in one of the videos, to avoid procrastination you want to avoid focusing on a product, because thinking about completing a product is frequently what triggers the pain that causes you to procrastinate.
查看完整题目与答案
【单选题】滚动轴承一般由( )组成。
A.
外圈、内圈、保持架
B.
外圈，保持架、滚动体
C.
外圈、内圈、滚动体和保持架
D.
外圈和内圈
查看完整题目与答案
【单选题】有如下SQL语句: SELECT DISTINCT productName, price FROM product WHERE (price>(SELECT AVG(price) FROM product)) ORDER BY price DESC; 下面说法错误的是( )。
A.
"SELECT AVG(price) FROM product "是子查询
B.
"ORDER BY price DESC"是指按price从低到高顺序排列
C.
查询结果显示的是大于平均价格的产品记录
D.
此查询显示的字段只有"productName"和"price"
查看完整题目与答案
【多选题】In the videos related to procrastination, a careful distinction was made between "process" and "product." Select the following true statements related to "process" and "product."
A.
As the videos emphasized, "product" refers to being productive--to getting things done in a small amount of time to maximize your ability to go off and have fun.
B.
As stated in one of this week's videos, you want to avoid focusing on a process because thinking about a process is frequently what triggers the pain that causes you to procrastinate.
C.
The Pomodoro technique is effective because it helps you get into the flow of the process.
D.
"Product" refers to the outcome of a task. Examples of "product" include finishing a homework set or completing the writing of a report.
查看完整题目与答案
【单选题】某轴的尺寸为 φ 60h7 ,其表面粗糙度 Ra 值可选 um
A.
0.8~1.6
B.
0.2~0.4
C.
1.6~3.2
查看完整题目与答案
【判断题】人类的性和动物的性没有区别。
A.
正确
B.
错误
查看完整题目与答案
【单选题】某轴的尺寸为φ60h7,其表面粗糙度Ra值可选 μm
A.
0.8~1.6
B.
0.2~0.4
C.
1.6~3.2
查看完整题目与答案
【简答题】After determining the target audience for a product or service, advertising agencies must select the appropriate media for the advertisement. We discuss here major types of media used in advertising. ...
查看完整题目与答案
【单选题】You need to list the name and price of each product, sorted by price from highest to lowest.Which statement should you use? A. SELECT Name,Price FROM Product ORDER BY Price DESC B. SELECT Name,Pr...
A.
Option A；
B.
Option B；
C.
Option C；
D.
Option D
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