What is 3D printing? | 3D printing is a process of making three-dimens ion objects out of a digital file. An object created with 3D printing (71)consistsof a number of layers of material. |
How does 3D printing (72)work? | The first (73)stepis to make a virtual design of your (74)desire\wanted\targetobject. A(75)prepared3D model is slictxl into a hujzc number of layers with software or some (76)toolfor a certain 3D printer. The sliced model is (77)fedto a 3D printer The 3D printer (78)forme\makesthe layers into an entire object step by step. |
What else do you need to know? | The (79)sizeof what you intend to make is a factor in your choice of a 3D printer, Prim speed is associated with print (80)quality. |
分析 本文主要給我們講述了3D打印機(jī)的工作原理以及如何使用它.
解答 71.consists 題解題.第三段中"..a(chǎn)n object is created by laying down successive (連續(xù)的 ) layers of material until the object is created."這句話告訴我們,3D打印機(jī)打印出來的物體是由多個層次的材料組合而成的.由..組成:consist of
72.work 細(xì)節(jié)題. 閱讀文章第四段到第八段,這部分在講述3D打印機(jī)是如何工作的
73.step 細(xì)節(jié)題. 第四段中3D printing starts with making a virtual design of…由此可知,making a virtual design of…是3D打印的第一個步驟
74.desired/Wanted/target 細(xì)節(jié)題.第四段中‘…the object you want to create.'即…所想要打印的物件,因此可以用wanted desired 或者target 作定語來修飾object
75.prepared 推理題.第五段中"You will have to prepare a 3D model before it is ready to be 3D printed.."告訴我們,打印前要先準(zhǔn)備3D模型,然后再將其切割.題中概述里用prepared 作定語來修飾3Dmodel,與原意吻合.
76.tool 細(xì)節(jié)題.第五段末說明切片是通過軟件實施的,第六段進(jìn)一步說明有的3D打印機(jī)通過某種切片工具( a certain slicing tool)來進(jìn)行切片.題中的some與文中的certain同意.故用tool單數(shù)形式.
77.fed 細(xì)節(jié)題.由七段"…you are ready to feed it to your 3D printer"轉(zhuǎn)換成被動語態(tài)
78.forme/makes 細(xì)節(jié)題.該題是對第八段的概括.即3D打印機(jī)逐步將許多的層片組成一個完整的物體.由此得出答案
79.size 細(xì)節(jié)題.根據(jù)文中內(nèi)容,consider how big the objects you might want to create 考慮你要創(chuàng)造的物體的大小,即尺寸
80.quality 細(xì)節(jié)題.根據(jù)文中內(nèi)容,As with ordinary printers,print speed also depends on how well it prints.打印速度和你的打印質(zhì)量是密切相關(guān)的
點評 題目涉及多道細(xì)節(jié)理解題,做題時結(jié)合原文和題目有針對性的找出相關(guān)語句進(jìn)行仔細(xì)分析,推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案,切忌胡亂猜測,一定要做到有理有據(jù).
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