Which process is correct to make up pictures on the television？
A. beams of light--lens of the television camera --an electronic device—electric impulses -- aerials -- receivers -- pictures.
B. beams of light -- lens of the television camera-- a plate--an electronic device--electric impulses -- receivers -- aerials -- pictures.
C. beams of light-- a plate -- an electronic device -- aerials -- electric impulses --receivers -- pictures.
D. beams of light -- lens of the television camera -- a plate -- an electronic device--electric impulses -- aerials -- receivers -- pictures.
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某企业生产的丙产品本期完工400件，期末在产品为200件。在产品完工程度按平均50％计算。原材料在生产时一次性投入，其他费用按约当产量进行分配。丙产品期初在产品成本和本期耗用的原材料费用为90000元，直接人工费用为42000元，制造费用为24000元，假定不考虑其他费用。丙产品本期期末在产品的成本是（）元。
某公司2007年l0月31日库存甲材料账面余额为80000元，预计可变现净值为75000元，12月31日该批材料账面余额为80000元，预计可变现净值为78000元，在此期间，甲材料没有发生购销业务。下列会计分录正确的包括（）。
A．A goods train hit a bus carrying many passengers.B．Two passenger trains crashed
A goods train hit a bus carrying many passengers.
B. Two passenger trains crashed into each other.
C. A passenger train collided with a goods train.
D. An express train was derailed when hit by a bomb.
下列作品或文件中，不受我国《著作权法》保护的是（）。
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