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【单选题】
危险化学品按主要危险特性分为（）类。A.
8
B.
9
C.
10
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】12-1 从工作信号和晶体管的工作状态来说明模拟电子电路和数字电路的区别。 12-2 逻辑运算中的1和0是否表示两个数字?
【单选题】妊娠期高血压疾病的发病因素，不包括
A.
既往有慢性高血压、肾炎病史
B.
孕妇过于年轻或高龄初产妇
C.
营养不良或过于肥胖
D.
有过流产史的经产妇
E.
双胎或羊水过多
【单选题】患者女性,50岁。因高血压3年,反复来医院就诊,始终不理解自己为什么会得上高血压,护士给其进行健康教育时,讲解高血压的发病因素,不包括的因素是
A.
遗传因素
B.
年龄增大
C.
体重超重
D.
自身免疫缺陷
E.
脑力活动过于紧张
【单选题】Which of the following statements best describes how management selects an inventory valuation method?
A.
If a company generally sells its oldest inventory first, it must use the FIFO inventory valuation method.
B.
If a company generally sells its oldest inventory first, it must use the LIFO inventory valuation method.
C.
If a company generally sells its newest inventory first, it must use the FIFO inventory valuation method.
D.
If a company sometimes sells its newest inventory and sometimes sells its oldest inventory, then it must use the weighted average inventory valuation method.
E.
A company may choose any inventory valuation method even if it is contradictory to the physical flow of inventory.
【单选题】()are professionals engaged in real estate valuation and brokerage activities.
A.
Valuation broker
B.
house agent
C.
Valuation shareholder
D.
Real estate broker
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