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【单选题】
在《智能建筑设计标准》中规定,空气处理机中的送风机应与( )之间实现联锁控制。
A.
风门、调节阀
B.
加湿器、调节阀
C.
低温保护开关
D.
变频器、软起动器
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It’s nine
D.
It’s zero
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is; It’s          
B.
are; It’s       
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are; They’re
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B.
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【单选题】—What’s the date today? —____. [     ]
A.
It’s Sunday
B.
It’s sunny
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It’s June 20
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It’s going to rain
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【单选题】In the production function graph, with output per worker on the vertical axis and capital per worker on the horizontal axis, the slope is
A.
positive and gets steeper as capital increases.
B.
positive and gets flatter as capital      increases
C.
positive and has constant slope
D.
Is a horizontal line above the axis.
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【单选题】If the price of bread is zero, a budget line between bread (on the vertical axis) and cheese (on the horizontal axis) would ( )
A.
be vertical.
B.
coincide with the vertical axis.
C.
coincide with the horizontal axis.
D.
be horizontal.
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【单选题】Considering a PPF with health care services on the vertical axis and other goods and services on the horizontal axis, the increasing production of health care services in the United States as a result...
A.
a movement upward along the PPF.
B.
an outward shift of the PPF from the vertical axis.
C.
an outward shift of the PPF from the horizontal axis.
D.
a movement downward along the PPF.
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【单选题】—This is ______ eraser. —______ her eraser.
A.
a; It’s           
B.
an; Its      
C.
an; It’s
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【单选题】With consumption on the vertical axis and leisure on the horizontal axis, the slope of the budget line is equal to
A.
w .
B.
-w .
C.
π .
D.
-π .
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【简答题】Perry lives on avocados and beans. The price of avocados is $10, the price of beans is $5, and his income is $40. Show Perry’s budget line on a graph with avocados on the horizontal axis and beans on ...
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【单选题】If the price of bread is zero, a budget line between bread (on the vertical axis) and cheese (on the horizontal axis) would ( )
A.
be vertical.
B.
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coincide with the horizontal axis.
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【单选题】Considering a PPF with health care services on the vertical axis and other goods and services on the horizontal axis, the increasing production of health care services in the United States as a result...
A.
a movement upward along the PPF.
B.
an outward shift of the PPF from the vertical axis.
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an outward shift of the PPF from the horizontal axis.
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a movement downward along the PPF.
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A.
a; It’s           
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an; Its      
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【单选题】With consumption on the vertical axis and leisure on the horizontal axis, the slope of the budget line is equal to
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w .
B.
-w .
C.
π .
D.
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查看完整题目与答案