科学授权有哪些基本原则?

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问题:

科学授权有哪些基本原则?

考点:领导科学与艺术领导科学与艺术题库
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月亮在河里倒影的“影”、立竿见影的“影”、雨过天晴后悬挂在天空的彩虹,分析它们的成因其原理不同,它们分别是由于光的 ______、______和 ______引起的.

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(4分)某同学要在一个铁手镯上通过原电池原理覆盖一层银。

①写出该电池的负极反应式:                           ,发生      反应,

②正极反应式为:                                 ,发生      反应。

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催告的作用主要有 ______

A.提醒债务人必须履行合同
B.自催告生效之日起,不履约的风险完全由违约一方承担
C.债权人有权就不履行合同请求法律上的救济
D.从送达催告之日起,开始计算损害赔偿及其利息
E.用书面形式易于牢记

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阅读理解

    Do you want to improve the way you study? Do you feel nervous before a test? Many students say

that a lack of concentration is their biggest problem. It seriously affects their ability to study, so do their

test results.

    If so, use these tips to help you.

Study Techniques

    You should always study in the same place. You shouldn't sit in a position that you use for

another purpose. For example, when you sit on a sofa to study, your brain will think it is time to relax.

Don't watch TV while you are studying. Experts warn that your concentration may be reduced by 50

percent if you attempt to study in this way. Always try to have a white wall in front of you, so there is

nothing to distract (make less concentrated) you. Before sitting down to study, gather together all the

equipment you need. Apart from your textbooks, pens, pencils and knives, make sure you have a

dictionary. If your study desk or table is needed when you are not studying, store all your equipment in

a box beside it   .

     Your eyes will become tired if you try to read a text which is on a flat surface. Position your book

at an angle of 30 degrees.

     Be realistic and don't try to complete too much in one study period. Finish one thing before

beginning another. If you need a break, get up and walk around for a few minutes, but try not to

telephone a friend or have something to eat.

Test-taking Skills

     All your hard work will be for nothing if you are too nervous to take your test. Getting plenty of rest

is very important. This means do not study all night before your test! It is a better idea to have a

long-term study plan. Try to make a timetable for your study which lasts for a few months.

     Exercise is a great way to reduce pressure. Doing some form of exercise every day will also improve

your concentration. Eat healthy food too.

     When you arrive in the examination room, find your seat and sit down. Breathe slowly and

deeply. Check the time on the clock during the test, but not too often. Above all, take no notice of

everyone else and give the test paper your undivided attention.

1. Which of the following statements is true according to the passage?

A. You should study in a different place every day, so you don't get bored.

B. Your concentration will improve if you study and watch TV at the same time.

C. Check the time during the exam at a certain time.

D. Staying up all night and studying is tiring, but you will learn a lot using this method.

2. What does the underlined word "it" refers to?

A. Your study desk or table.  

B. Your textbook.

C. Your dictionary.          

D. The equipment you need.

3.  What can be inferred from the passage?

A. You shouldn't look at everyone else during the test.

B. You will have enough energy to deal with your study and exams by eating healthy diet.

C. You'll concentrate more if there is nothing to distract you.

D. If you feel tired during study, you can walk around for a few minutes.

题型:问答题 简答题

下列有关国家与当今本国货币名称匹配的是()。

A.德国—马克

B.瑞士—法郎

C.意大利—里拉

D.印度尼西亚—第纳尔

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