托福閱讀如何做修辭目的題呢技巧一牢記作者目的經(jīng)典位置

雅思托?？荚噷?duì)于想要出國留學(xué)或移民的人來說，是一個(gè)非常重要的考試。因此，了解考試的時(shí)間表和出分時(shí)間對(duì)于準(zhǔn)備考試的考生來說非常關(guān)鍵。下面中國教育在線外語頻道小編就為大家分享一下“托福閱讀如何做修辭目的題呢？技巧一：牢記作者目的經(jīng)典位置”？

我們知道常見的段落結(jié)構(gòu)有總分、分總和總分總，而在托福閱讀中先總后分的結(jié)構(gòu)比較受偏愛。

所以通常情況下作者目的往往出現(xiàn)在所提及信息的前面，可能是比較直接的前一句，也可能是整段的中心句，放在段首部分，需要具體情況具體分析，我們可以結(jié)合下面的例子來理解。

例題一：

Magnification, the increase in the apparent size of an object, is one important factor in microscopy. Also important is resolving power, a measure of the clarity of an image. Resolving power is the ability of an optical instrument to show two objects as separate. For example, what looks to the unaided eye like a single star in the sky may be resolved as two stars with the help of a telescope. Any optical device is limited by its resolving power. The light microscope cannot resolve detail finer than 0.2 micrometers, about the size of the smallest bacterium; consequently, no matter how many times its image of such a bacterium is magnified, the light microscope cannot show the details of the cells internal structure.

2.Why does the author mention a telescope as part of the discussion of microscopes?

A. To show how microscopes and telescopes are different.

B. To emphasize the importance of magnification in all optical devices.

C. To explain how the development of the microscope depended on the invention of the telescope.

D. To illustrate the concept of resolving power.

這道題就屬于作者目的在定位句前一句或者說前兩句的情況。我們可以看到，包含a telescope的定位句以for example開頭，明顯是一個(gè)例子。

通常情況下，例子要論證的對(duì)象會(huì)放在例子的前面。不管是例子里面還是例子前面兩句，都出現(xiàn)了resolve這個(gè)詞，說明它們?cè)谡撌鲆粋€(gè)point，是一個(gè)意群。

而段落的開頭句講到的是magnification，則是一個(gè)和例子無關(guān)的東西。所以，作者舉出telescope的例子是為了讓我們更容易理解resolving power這個(gè)概念。

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