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【判断题】
对管理费用报表进行分析，可以用实际数与计划数(或预算数)进行比较，也可以用实际数与上年实际数进行比较。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The figure shows a graph of the market for pizzas in a large town. If the price falls from $10 to $7 per pizza, the quantity of pizzas demanded will
A.
increase by 20.
B.
increase by 30.
C.
decrease by 30
D.
decrease by 10.
【单选题】The figure shows that the maximum amount a person is willing to pay for the 400th pretzel
A.
is greater than the marginal social cost of the 400th pretzel.
B.
is less than the marginal social benefit of the 400th pretzel.
C.
and the marginal social benefit of the 400th pretzel are both $2.
D.
is greater than the marginal social benefit of the 200th pretzel.
【单选题】The figure shows a position-versus-time graph of the motion of a car. Describe the velocity and acceleration during segments OA, AB, and BC. Which item is Not correct?【图片】
A.
In segment OA, the velocity is positive and constant.
B.
In segment OA, there is no acceleration.
C.
In segment AB, the velocity is increasing.
D.
In segment AB, there must be acceleration.
E.
In segment BC, the velocity is not constant.
F.
In segment BC, this velocity is greater in magnitude than the velocity in segment OA.
【单选题】The figure shows a graph of the market for pizzas in a large town. No pizzas will be demanded unless price is less than
A.
$14.
B.
$0.
C.
$5.
D.
$12.
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