皮皮学,免费搜题
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搜题
【多选题】
药品中毒的途径有:
A.
呼吸器官吸入
B.
由皮肤渗入
C.
吞入
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举一反三
【单选题】普通交流发电机主要由三相同步交流发电机和( )组成?
A.
整流器
B.
电压表
C.
电流表
【判断题】动能指标摆动于超买和超卖的两个极端之间。
A.
正确
B.
错误
【单选题】施工机械的( )指单位时间(小时、台班、月、年)机械完成的工程数量。
A.
工作容量
B.
生产率
C.
动力
D.
工作性能参数
【判断题】( )若原控制网精度不能满足需要时,不可选用原控制网中个别点作为施工平面控制网坐标和方位的起算数据
A.
正确
B.
错误
【单选题】5) Refer to the figure above. The relative price of S (in terms of T) is
A.
2.
B.
1/2.
C.
500.
D.
1000.
【单选题】Refer to Figure 12-5.Curve D intersects curve C
A.
minimizes average variable costs..
B.
at the minimum of average fixed cost.
C.
at the efficient scale.
D.
where fixed costs equal variable costs.
【判断题】若原控制网精度不能满足需要时,不可选用原控制网中个别点作为施工平面控制网坐标和方位的起算数据。
A.
正确
B.
错误
【单选题】Refer to Figure 1 . If the price of the good is $5, then consumer surplus is
A.
$9.
B.
$11.
C.
$13.
D.
$16.
【单选题】Figure 4-3 Refer to Figure 4-3. At a price of
A.
$2, there is a surplus of 6 units.
B.
$5, there is a surplus of 25 units.
C.
$5, there is a shortage of $25.
D.
$7, there is a surplus of 4 units.
【单选题】Refer to Figure 12-5.Curve A is always declining because
A.
of diminishing marginal product.
B.
we are dividing fixed costs by higher and higher levels of output.
C.
marginal product first increases, then decreases.
D.
marginal product first decreases, then increases.
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