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高考生物答题技巧总结
发布人:http://quotamais.com 发布时间:2019-08-29 浏览次数:
一、选择题
I. Selective Questions
合理采用扫除法、比拟法、代入法、猜想法等办法,防止落入命题人所设的“圈套”。选择题的答题办法是多样化的,既能从题干动身做题,也能从选项动身考证题干做答,合理的选择解题办法快而准的找到答案。
Reasonable use of sweeping, analogy, substitution, guessing and other methods to prevent falling into the propositioner's "trap". The answer method of the choice question is diversified. It can not only start from the stem of the question, but also from the stem of the test question. The reasonable choice of the solution method can find the answer quickly and accurately.
二、解答题
II. Answer Questions
化学方程式的书写要完好无误。没配平、条件错、有机反响少写物质(水等)会形成该空不得分。
The chemical equation should be well written. No balance, wrong conditions, organic response, less writing substances (water, etc.) will form the void inseparable.
用语不能错。化学上常用的词汇是绝对不能写错别字的,一字之差会使整个空不得分。
Professional terms should not be wrong. Chemistry commonly used professional vocabulary is absolutely not allowed to write wrong words, a word of difference will make the whole void inseparable.
当答案不独一或有多种选择时,以常见的方式作答不易失分。能用详细物质作答的要用详细物质作答,表达更精确。
When the answer is not unique or there are many choices, it is not easy to lose points when answering in a common way. If you can answer with detailed substances, you can answer with detailed substances to express more accurately.
1.图像、图表题的一些技巧
1. Some Skills of Image and Chart Questions
曲线图题能够用“读轴——看线——综合剖析”三步停止剖析,即先看横纵坐标的含义,分清自变量和因变量,包括数量单位也要看分明,是量还是率。
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Curve problems can be analyzed in three steps: reading axis, looking line and comprehensive analysis. That is to say, first look at the meaning of horizontal and vertical coordinates, and distinguish independent variables and dependent variables, including units of quantity, whether it is quantity or rate.
如:种群增长数量还是种群增长速率,然后剖析曲线的走向,有没有转机,如:光协作用曲线中的限制要素问题。综合剖析曲线含义。
For example, the number of population growth or the rate of population growth, and then analyze the trend of the curve, whether there is a turning point, such as: light collaboration curve in the limiting factors. Comprehensive analysis of the meaning of the curve.
图表题要遵照“点、线、面”的三看准绳:首先看特殊点,特别是有“0”的数据,然后看整列或整行的数据关系,是上升还是降落,能否有转机点。再纵观整个表格中的数据,比拟各行、各列之间的关系,以至能够转化为曲线图的思想去考虑、作答,会更容易一些。
The chart title should follow the three criteria of "point, line and surface": first, look at the special points, especially the "0" data, and then look at the data relationship of the whole column or line, whether it is up or down, whether there is a turning point. Looking at the data in the whole table, it will be easier to compare the relationship between rows and columns, and even to think and answer with the idea of transforming it into a graph.
2.团结、复制图解法
2. Unity and Reproduction Graphic Method
但凡触及细胞团结、复制的标题,都能够用一个办法——画图处理。在草稿纸上把细胞团结过程或DNA复制过程画出来,或几个关键图形(有丝团结后期、减数次团结后期、减数第二次团结后期)画出来,结果便了如指掌。
But when it comes to the title of cell unity and replication, it can be done by drawing. Drawing the process of cell unity or DNA replication on the draft paper, or drawing several key figures (later stage of silk unity, later stage of first reduction unity, later stage of second reduction unity), the result is as clear as the palm of your hand.
3.实验设计题
3. Experimental design questions
实验题是高考生物的重头戏,而实验题的灵魂是实验原理。所以要深化的了解实验原理,这样才干精确寻觅到实验的单一变量,进而依照单一变量准绳、对照准绳、等量准绳精确设计实验。
Experiments are the main part of biology in college entrance examination, and the soul of experiments is the principle of experiments. Therefore, we need to deepen our understanding of the experimental principle, so that we can accurately find the single variable of the experiment, and then design the experiment according to the single variable criterion, the control criterion and the equivalence criterion.
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