预防成本的定义是什么?

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问题:

预防成本的定义是什么?

考点:TS16949质量认证TS16949质量认证题库
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On the fifth day of the fifth month of the Chinese lunar calendar(农历), which is Wednesday this year, all Chinese celebrate one of their traditional festivals, the Dagon Boat Festival, or Dragon Boat Festival. Their celebrations include eating zongzi, rice wrapped in bamboo leaves in the shape of a pyramid, racing dragon boats and sticking mugwort leaves on their doors.  

In 2007, the central government decided to add the Dragon Boat Festival, together with two other traditional festivals - Tomb Sweeping Day (清明节) and Mid Autumn Festival - to the list of public holidays

According to tradition, our ancestors(长辈) believed the hot weather in midsummer might cause different kinds of diseases (疾病). So, to keep off diseases and drive out evil were the main purposes of the Dragon Boat Festival. Parents used colorful threads to make necklaces and bracelets (手镯) for children, gave them beautiful embroidered bags(荷包), painted the Chinese character for "king" (wang) on their foreheads to drive away bad luck. The Dragon Boat Festival was also called "kids festival" in some places. Spending such happy hours with parents, young children began to understand the festival as well as the traditions and culture behind it. Repeating the customs year by year makes it possible for kids to learn the traditions, accept it and pass it on when they become adults.

小题1:How do people celebrate the Dragon Boat Festival?

A.People celebrate this festival by eating eggs.

B.People celebrate this festival by eating zongzi, racing dragon boats.

C.People celebrate this festival by sending cards.

D.People celebrate this festival by singing and dancing.小题2:What is the Chinese meaning of “mugwort leaves” in the second paragraph?

A.粽叶

B.红叶

C.艾叶

D.松叶小题3:How many public holidays added by the central government in 2007?

A.2

B.3

C.4

D.only one小题4:What is the main purpose of the Dragon Boat Festival according to tradition?

A.To keep off diseases and drive out evil and bad luck.

B.To spend happy time with parents.

C.To make necklaces and bracelets for children.

D.To have a long holiday with family members.

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把相同体积、相同质量分数的稀盐酸,分别滴到等质量、颗粒大小相同的X、Y、Z三种较活泼金属中,生成H2的质量与反应时间的关系如右图所示。这三种金属的活动性顺序为                 ;假如X、Y、Z都是+2价金属,则相对原子质量由大到小的顺序为                    

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氟尿嘧啶是一种临床应用的抗癌药物,它通过抑制哪种酶的活性起到阻滞核苷酸合成的作用

A.胸苷酸合酶

B.核苷激酶

C.黄嘌呤氧化酶

D.磷酸核糖转移酶

E.核苷酸酶

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社会主义医患关系不包括哪条内容()
社会主义医患关系最核心的体现是()

A.它是以社会主义人道主义为原则建立起来的平等关系

B.它是以社会主义法制为保证建立起来的信赖关系

C.它是以利益为基础的经济关系

D.它是以与救死扶伤相关联、以医疗技术为保证的委托关系

E.它是与经济有一定关系的福利关系

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当电路中发生过载、短路和欠压等故障时,能自动分断电路的电器叫()

A、断路器

B、接触器

C、漏电保护器

D、断电器

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