贴现

发布时间：2020-05-15 13:18 │ 来源：www.tikuol.com

题型：名词解释

问题：

贴现

题型：名词解释

阅读下面短文，把A-D四个句子填入文中空缺处，使短文完整、正确，然后完成第5小题。

     A recent report from Dazhou Daily says about 18% of Dazhou teenagers can have problems with their
minds (内心, 精神). 1______ Others have trouble getting on well with people like their parents and classmates.
     Zhang Qiang, a Junior 2 student from Dazhou, could not understand his teachers in class and was doing
badly in his lessons. He was afraid of exams. 2______.
     Another student, a 15-year-old girl called Wu Yan from Guang'an often argued with her classmates even
her parents 3______. She became so annoyed about them that she started to cut her finger with a knife.
      However, many students who have problems won't go for advice or help. Some think they will look
stupid (愚蠢的) if they go to see a doctor. Others don't want to talk about their secrets. 4______, here is
some advice:
     ●Talk to your parents or teachers often.
     ●Take part in group activities and play sports.
    ●Go to see a doctor if you feel unhappy or unwell.

A. because of some different ideas.
B. When he looked at the exam paper, he couldn't think of anything to write.
C. Some students become worried because they have to study very hard.
D. In order to solve the teenagers' problems.

5. From the passage we know teenagers have problems with their minds because of ______.

A. their study
B. getting on with other people
C. their hobbies
D. A and B

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题型：名词解释

影响分娩过程的因素不包括（）（1377-31）

A、阵缩与努责

B、软产道

C、硬产道

D、胎儿与产道的关系

E、母体促卵泡素的水平

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题型：名词解释

氨分子的电子式为 ①，实验室制取氨气的化学方程式为 ② ，氨水中存在的分子有 ③ ，如果将收集的一试管氨气打开塞子，倒置于含有酚酞的水中，现象是 ④ ，将试管中的溶液倒掉 ⑤ （填“几分之几”），加热，同时试管口上方放一湿润的红色石蕊试纸，试纸变 ⑥ 色，有关反应的化学方程式是 ⑦ 。

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题型：名词解释

接线图中应标出配线用的各种导线的型号、规格、截面积及颜色要求。

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题型：名词解释

以下哪类因素是食物中毒最主要的原因？（）

A.化学性危害和物理性危害

B.细菌和病毒

C.寄生虫和霉菌

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