租赁机械设备必须执行租赁合同（）制度。合同签订的主体原则上是子公司或经子公司授权的项目部。租赁合同必须按公司租赁合同范本，由项目部负责拟定和评审，并报（）审批。严禁先使用后申请，或先使用后签订合同。
A . A.审批；公司
B . B.审批；子公司
C . C.评审；公司
D . D.评审；子公司
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Some say everyday miracles are predestined—the right time for the appointed meeting. And it can happen anywhere. In 2001, 11-year-old Kevin Stephan was a bat boy for his younger brother’s Little League team in Lancaster, New York. It was an early evening in late July. Kevin was standing on the grass away from the plate, where another youngster was warming up for the next game. Swinging his bat back and forth, giving it all the power an elementary school kid could give. The boy brought the bat back hard and hit Kevin in the chest. His heart stopped. When Kevin fell to the ground, the mother of one of the players rushed out of the stands to his aid. Penny Brown hadn’t planned to be there that day, but at the last minute, she changed her shift at the hospital to see her son’s performance. She was given the night off. Penny bent over the senseless boy whose face had already started to turn blue, and gave CPR (心肺复苏术), breathing into his mouth and giving chest compressions. And he revived in the end. Kevin wasn’t just a volunteer for his brother’s baseball team—he was a Boy Scout, one who went on to achieve Scouting’s highest rank, Eagles. After his recovery, he became a volunteer junior firefighter, learning some of the emergency first-aid techniques that had saved his life. He studied hard in school and was saving money for college by working as a dishwasher in a local restaurant in his spare time. Kevin, now 18, was working in the kitchen when he heard people screaming, customers in confusion, employees rushing toward a table. He hurried into the main room and saw a woman there, her face turning blue, her hands at her throat. She was choking. Quickly Kevin stepped behind her, wrapped his arms around her and clasped his hands. Then, using skills he’d first learned in Scouts. The food that was trapped in the woman’s throat was freed. The color began to return to her face. "The food was stuck. I couldn’t breathe," she said. She thought she was dying. "I was very frightened." Who was the woman Penny Brown.
A. He was hit on the face by a boy and almost lost his life. B. He was a volunteer junior firefighter, teaching the players first-aid skills. C. He worked part-time in a local restaurant to save money for college. D. He saved Penny Brown though he didn’t really know how to deal with food choke.
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