though与although的用法和语气上的一些区别 though和although都是连词，用来连接两个句子或从句，表示让步或转折关系。虽然它们都表达相似的概念，但在用法和语气上存在一些微妙的区别。 1. 词性和语气：   * though既可以用作连词，也可以用作副词。作为连词时，语气相对较轻，常用于陈述事实或表达让步。作为副词时，可以表示“然而”或“可是”。   * although只用作连词，并且语气相对较重，常用于强调让步概念。它通常用于正式场合，而不太适用于非正式或口语化的语境。 2. 使用位置：   * though的位置比较灵活，可以放在句首、句中或句末。当它放在句首时，通常使用逗号与主句隔开。   * although只能放在句首或句中，并且通常与主句之间用逗号隔开。 3. 表达方式：   * though引导的让步状语从句可以表达假设的情况，而although则更多用于引导陈述语气的让步状语从句，强调事实。   * although常用于引导强调事实的让步状语从句，而though则更倾向于陈述事实或表达让步。 抗遗忘英语单词速记 随时随地背单词 不知不觉背单词 单词不用记 虽然though和although在表达概念上相似，但在用法和语气上存在差异。though较为灵活，可以表达假设的情况，并常用于非正式的语境；而although则更正式，强调事实，并用于引导陈述语气的让步状语从句。在选择使用时，应根据具体的语境和句子的语气选择合适的连词。 ①用作连词，表示“虽然”，两者含义相同，可换用，although比though更为正式。例如: Though/Although we are poor, we are still happy.我们虽然穷，仍然很快乐。 ②用作副词，though可用作副词，一般放在句末，意为“可是，不过”;although不用作副词。例如: It's hard work; I enjoy it though.工作很辛苦，可是我乐意干。 ③用于短语，在as though(好像，仿佛),even though(即使，纵然)等固定短语中不能用although. ④用于倒装，though引导的让步状语从句可用倒装的形式(注意:倒装后位于句首的名词之前不用冠词)，但although一般不这样用。例如: Child though he was, he did quite well.他虽是个孩子，但干得很好。 America's National Aeronautics and Space Administration（NASA）have just inflated（充气）a new，experimental capsule for astronauts to use in space.The inflatable room is now an extension to the International Space Station（ISS）.It is more or less four metres long and 3 metres wide.It took three days to fully inflate.     Now ISS members have to wait a week before entering it.NASA engineers must first make sure of something particular because even its extremely small split could be a matter of life or death for the astronauts.The blow﹣up ball is part of a test on the practicality of inflatable accommodation on the moon and Mars，and of orbiting space hotels.NASA paid ＄17.8 million dollars for the test.It hopes this initial test will lead to bigger and better inflatable rooms at the ISS.     The inflatable is the world's first blow﹣up capsule for astronauts，and other space travelers.It is called the Bigelow Expandable Activity Module，or "BEAM" for short.It is named after Bigelow Aerospace（BA），the company that worked it out and built it.The company is already planning its next step，aiming for the moon station.Together with United Launch Alliance（ULA），it plans to send a B330 inflatable capsule to the moon in 2022 after completing independent space station tests.     Company's founder Robert Bigelow is now working on a project to build two private space stations that could serve as hotels in space.He said，"I regard inflatable capsules as a big part of space travel，and sooner or later，space tourism too.Until now，the strong capsules is small enough（about the size of a small bedroom，inflated）to transport as airless units，but big enough to live in，once filled with air，which，I hope，most ordinary people are able to afford in the future." （1）Before the astronauts enter the blow﹣up room，engineers must first check whether it is     . A.flexible properly B.wide enough C.inflated fully D.sealed totally （2）Who designed the inflatable capsule？      A.NASA. B.ISS. C.BA. D.ULA. （3）What should the future inflatable capsule be like according to Bigelow？      A.Safe. B.Big. C.Cheap. D.Lasting. （4）What can be a suitable title for the text？      A.A Blow﹣up Capsule on the Moon Station B.ISS' Air﹣filled Extension Being Tested C.Future Space Travel and Tourism D.World's First Space Hotel by Bigelow