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A-level物理​简答题应该怎么应对?

2021-02-08 15:52:43 来源:A-level物理 阅读:1050

  A-level物理简答题看起来复杂多变,很多考生无从下手。但实际上,做这类题有一定的方法和技巧,那么下面我们就来说说ALevel简答题应该怎么应对,一起来学习一下吧!

  Part.1State/Define

  State/Define:A formal statement is required or, if you give the defining equation,all terms in the equation must be explained. Where a ratio is involved, the ratio must be made clear. For example, density is mass per unit volume, not mass of unit volume. When defining a quantity, this should not be done in terms of units.

  我们看到State/Define的简答题,虽然要求给出formal statement, 但是如果你给的是defining equation也一样拿分。我的天,终于不用背这么长的英文定义了。

  Part.2 Compare

  Compare:it requires candidates to provide both similarities and differences between things or concepts.

  也就是说,对于”Compare”的简答题,我们需要明确的给出‘similarities’和‘differences’。看,是不是很容易就拿到分了。

  Part.3Describe

  Describe:Set out the facts or characteristics. The description of a process should address what happens, and when and/or where it happens.

  “Describe”类的简答题,也是比较容易丢分的题。对于这类题,我们需要强调两点点:”what happens”和“when/ where it happens”。举例说明:


A-level物理简答题应该怎么应对?


  首先, what happens :alternating p.d. is applied, magnetic field changes, alternating p.d. is induced.

  其次, when/where it happens:在这里,我们需要指出”where it happens”。

  Magnetic field 是在iron core里变化,the induced p.d. 存在于 secondary coil。最好,我们将这些点串起来:alternating p.d. applied in the primary coil causes the changing magnetic field, which induces alternating p.d. in the secondary coil. 对比给出的答案,我们很容易拿到了full mark。

  Part.4Explain & Give

  explain:Set out reasons and/or mechanismsto address why and/or how something happens. For example, when asked to explain the change in rate of reaction seen on a graph, the expectedresponse would suggest scientific reasonsfor any change seen, for example in terms of molecular collisions or enzymatic action.

  对于需要explain的题目,我们需要就题干中发生的事情,给出物理机制或者原因。

  Give:a short answer is required without explanation.

  以上就是小编今天为大家分享的ALevel物理简答题技巧,希望大家在备考中一定要重视起来,提高自己的考试分数,如果还想了解更多关于alevel有什么科目、alevel中文口语的内容,可以添加我们的客服微信kewo11。


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