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【单选题】
某制造企业1月份对某种原材料的生产需求量为50万个,该月的月初计划有10万个产品入库,该产品的存量为10万个,现有库存量20万个,该公司订购该种原材料的下单数量为( )A.
10万
B.
20万
C.
30万
D.
40万
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【简答题】A．The rapid growth of the service sector of the world economy. B．The invention of the computer. C．The rapid growth of the world economy. D．The blurring of the line between the computer and other equip...
【单选题】What is the passage mainly about?
A.
The invention of the umbrella.
B.
The popularity of the umbrella.
C.
The history and use of the umbrella,
D.
The development of tile umbrella.
【简答题】长城与丝路代表的是对立的两种文化长城代表(),丝路代表外拓。
【简答题】长城与丝路代表的是对立的两种文化长城代表()丝路代表()
【单选题】The Invention of the Telephone In the nineteenth century, the invention of the telegraph made it possible to send noises, signals, and even music over wires from one place to another. However, the hum...
A.
had never traveled
B.
never had traveled
C.
was never traveled
D.
never was traveled
【单选题】What is the underlying significance of the invention of the Kodak?
A.
It marked the beginning of manufacturing small cameras.
B.
It met the need of photographers in America and Europe.
C.
It made picture-taking suddenly popular among ordinary people.
D.
It made the work of professionals more enjoyable.
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