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近期考題
4.
【題組】(2)如圖 12 所示，理想運算放大器，若電阻 R1 = R2 = R3 = R4 =10 kΩ， RA= 1kΩ，若欲設計輸出電壓 Vo= V1 + V2 + V3 + V4，則 RB為多少?
15. 已知多項式f(x)除以2x+3 ，得商式為x3-x，餘式為6
。若f(x)除以 x2 +3
的商式為
q(x)
，餘式為
r(x) ，則 q(x)-r(x) =？
(A)2x2+15x-38
(B)2x2-9x-38
(C)2x2+15x+22
(D)2x2-9x+22
(A) decreases the global temperature and influences mostly the tropical and subtropical forests, which more often suffer from frost events.
(B) warms the ocean water r and causes the change in the directions of the ocean currents； as a result, there is more rain in dry areas, leading to such anomalies as flowering deserts.
(C) is a directional change in global climate, which Iasts for several decades, and is likely caused by human activities.
(D) does not exist, because scientists never found any evidence of it.
(E) can be stopped by planting trees.
一 、Lane Company manufactures a single product that requires a great deal of hand
labor. Overhead cost is applied on the basis of standard direct labor-hours. Variable
manufacturing overhead should be $2 per standard direct labor-hour and fixed
manufacturing overhead should be $480,000 per year.
The company's product requires 3 pounds of material that has a standard cost of $7
per pound and 1.5 hours of direct labor time that has a standard rate of $12 per hour.
The company planned to operate at a denominator activity level of 60,000 direct
labor-hours and to produce 40,000 units of product during the most recent year.
Actual activity and costs for the year were as follows:
Required: (28%)
【題組】4. Determine the reason for any underapplied or overapplied overhead for the year by computing the variable overhead rate and efficiency variances and the fixed overhead budget and volume variances. (6%)