题目内容

关于爆破作业地点临时堆放爆破器材的规定中正确的是，________。
A 雷管应放在外包铁皮的木箱内并加锁
B 运到爆破作业面的爆破器材应有专人看管
C 拆除爆破、地震勘探及油气井爆破时，应将爆破器材散堆在地上
D 爆破作业点只存放当班作业所需爆破器材;大型爆破时，可以存放本次工程所需的爆破器材。

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工程爆破操作员包括____。
A 爆破工程技术人员
B 爆破员
C 安监员
D 爆破器材保管员
E 押运员

工程爆破操作员与要求相符的是，________。
A 工作认真无不良嗜好和劣迹
B 具有高中以上文化程度
C 身体健康，年满十八周岁
D 无妨碍从事爆破作业的生理缺陷和疾病

个人不应随身携带爆破器材搭乘公共交通工具，不允许在__________中夹带爆破器材。
A 托运行李
B 邮寄包裹
C 炸药车

Reading Comprehension (2)
Kee & Co. , Ltd
34 Regent Street
London, UK
Dear Sirs,
Due to the rise in the world price of paper, from 1 January of next year, prices for our products are due to increase by 10% across the board.
Since you are a valued customer of long standing, we wish to give you the opportunity to deal with the price increases by ordering now at the current prices.
In addition, we are willing to give you a discount of 5% on all orders of more than $20, 000.
We are aware that you do not have sufficient warehousing (仓储) for large quantities of reserve stock. In this circumstance, we would be prepared to hold paper for you to be delivered at your convenience. There will be no charge for warehousing at this end. We believe that you will see the advantages of this arrangement, which will save you at least 15% on paper purchases in the coming year. We look forward to your early reply.
Yours faithfully,
Tony Smith
Chief Seller
According to the passage, why are the prices of seller's products going to rise？