光电光谱仪根据所使用波长范围不同可分为()两种。A、真空型、非真空型B、真空型、充气

题型:单项选择题

问题:

光电光谱仪根据所使用波长范围不同可分为()两种。

A、真空型、非真空型

B、真空型、充气型

C、充氮气型、充氩气型

D.大气型、充氩型

考点:生化化工药品技能考试仪器分析工(中级)仪器分析工(中级)题库
题型:单项选择题

读写任务(共1 小题,满分20 分)

     阅读下面的短文,然后按照要求写一篇150 词左右的英语

短文。

    A grand memorial service was held Wednesday,October 28, 2009,in central Hubei Province to honor

three college students who died from rescuing two children from the Yangtze River on October 24.

Thousands of people holding chrysanthemums (菊花)went to the Jingzhou Memorial House to see off

the teenagers, all 19-year old students from the Yangtze University based in Jingzhou City.

    The trio (三位)were Chen Jishi,He Dongxu and Fang Zhao.More than 10 students from the

Yangtze University formed a ladder with one student holding another's arms to rescue the two boys in the

river on the afternoon of October 24. One of the student lost his grip (控制)on his classmates and all

of them were in danger. Several members of a winter swimming team nearby came to help. Chen Jishi,

He Dongxu and Fang Zhao were swept away in the torrent. People touched by their selfless act had

donated more than 500,000 yuan( $73 ,206) to their relatives on Wednesday. Millions of Internet users

made online comments on major news portals (入口)to show their grief( 悲伤) .

    “I am also a college student.I sorrow for you,”said Liu Zhuoya from northwestern Xi'an City.

However,some questioned the sacrifice.“Sacrifice three and rescue two, is that worthwhile?" asked

"Tiaozhantianya" on the forum of www. 163. com."Rescue can not be blind as they could not swim.”

     写作内容:

    1 .以约30 个词概括短文的要点。

    2 .以约120 个词就“救人是否要考虑自身安全”这个主题

发表你的看法,至少包括以下要点:

    1) 当别人有难时,你是否会马上伸出援手?为什么?

    2) 救人时你是否会考虑自身的安全?

    3) 假如你当时在场,你会怎样做?

     写作要求:

    1 .你可以使用实例或其他论述方法支持你的观点,也可以

参照阅读材料的内容,但不得直接引用原文中的句子;

    2 .作文中不能出现真实姓名和学校名称。

     评分标准

     概括准确,语言规范,内容合适,篇章连贯。

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表面粗糙度会影响有相对运动的零件表面的()。

题型:单项选择题

如果放弃对话框内容的操作,需要单击的命令按钮是()。

A、帮助

B、确定

C、取消

D、保存

题型:单项选择题

下图为近代中国茶叶新式销售渠道示意图,该流程图反映出()

A.茶叶出口数额远超内销

B.外国商人在华合法设厂

C.外销型农产品形成规模

D.自然经济体系完全解体

题型:单项选择题

2009年7月,某水电施工企业应支付利息5万元。根据企业会计准则及其相关规定,应支付利息属于()。

A.生产成本

B.营业外支出

C.期间费用

D.间接成本

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