有色溶液的摩尔吸光系数越大,则测定时()越高。A、灵敏度 B、准确度 C、精密度 D、对比

题型:单项选择题

问题:

有色溶液的摩尔吸光系数越大,则测定时()越高。

A、灵敏度

B、准确度

C、精密度

D、对比度

考点:化学分析工考试化学分析工综合练习化学分析工综合练习题库
题型:单项选择题

Monty Robert’s father was a horse trainer. As a child, Monty often went from one farm to another with his father. Sometimes they didn’t have enough money to pay for food, but Monty still kept hoping to own a horse farm.

When he was in school, his teacher asked him to write a paper about his dream. He wrote a seven-page paper. He wanted to have a horse farm one day. He even drew a picture of a horse farm in the paper.

The next day he handed it in to his teacher. Two days later, he got his paper back. On the front page was a large red “F” with the words “See me after class”. So the boy did and asked his teacher:” Why did I get an F?” The teacher said: “This dream will not come true for a young boy like you. You need a lot of money to own a horse farm. You have to buy the land. You have to pay for a lot of things. There is no way you could ever do it.” Then the teacher added: “If you write this paper

again with a simpler dream, I will give you a good grade.”

After school he thought hard about it. At last, he decided to hand in the same paper, making no changes at all. He wrote: “You can keep the F and I’ll keep my dream.”

Many years later, Monty had his own large horse farm. His dream came true.

So don’t let anyone take away your dreams. Follow your dreams, no matter what they are.

小题1:From Paragraph1, we learn that _______.

A. Monty’s family was poor

B. Monty’s father didn’t support him

C. Monty hoped to be a horse trainer

小题2:What did his teacher ask him to do when he was in school?

A. To write a seven-page paper.

B. To draw a picture about his dream.

C. To write a paper about his dream.

小题3:What was Monty’s attitude 态度 towards his paper?

A. Careless. B. Serious. C. Funny.

小题4:Monty’s teacher gave him a red “F” because he thought ______.

A. Monty’s handwriting was too bad

B. Monty copied from another student

C. Monty’s dream was too hard for him to achieve

小题5:What does the story want to tell us?

A. Follow a simple dream.

B. Never give up your dream.

C. Don’t take away others’ dreams.

题型:单项选择题

热水采暖系统入口装置的结构形式可分为()的入口装置。

A.设调压截止阀

B.设节流阀

C.设调压板

D.设混水器

题型:单项选择题

将调查总体各单位的名称或号码逐个写在签条或卡片上,放在箱中,打乱次序,拌和均匀,然后按抽签办法,不加任何选择地在全部签条或卡片中随机抽出所需的调查样本,这是(  )。

A.抽签法

B.随机数表法

C.分层随机抽样

D.分群随机抽样法

题型:单项选择题

我国目前唯一由私营企业投资管理的大型野生动物园,国家5A级旅游景区是广州番禺______野生动物园。

题型:单项选择题

本题仅限报考行政执法类、市(地)以下综合管理类职位的考生作答。

“给定资料”4和5提到农民工“退保潮”这一现象。请对此进行分析,谈谈你的见解。
要求:观点明确,分析恰当,条理清楚,不超过300字。

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