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【单选题】
听力原文：M: After you complete your presentation points, I can go over the details of the new hardware features using the prototype blender. W: I took the hardware home last night so that I could do more graphics for the presentation. It's still there. M: All right. It's only 10 a.m. We still have time to bring it back to the office. How long will it take you to go home? W: Actually, I don't think I have time for that. I have a meeting right after I finish rehearsing this with you. If I give you my house keys, can you bring it back to the office? What are the speakers preparing for?A.
A graphic design course.
B.
A presentation.
C.
A press conference.
D.
Office renovations.
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皮皮学刷刷变学霸
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【单选题】两个齿轮的材料、齿宽、齿数相同,第一个齿轮模数 m 1 =2mm,第二个齿轮模数 m 2 =4mm,它们的弯曲强度承载能力( )。
A.
相同
B.
第二个比第一个大
C.
第一个比第二个大
D.
承载能力与模数无关
【单选题】两个齿轮的材料、齿宽、齿数相同，模数m 1 =2mm，m 2 =4mm，它们的弯曲强度承载能力（）。
A.
相同
B.
第二个比第一个大
C.
第一个比第二个大
D.
承载能力与模数无关
【多选题】下列内容属于对账范围的有( )。
A.
现金日记账与库存现金核对
B.
日记账余额与有关总账余额核对
C.
应收.应付款明细账与有关单位和个人核对
D.
材料明细账余额与库存实物核对
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