专四练习(附属连词)(5 页)Good is good, but better carries it.精益求精，善益求善。1. 历年真题：1） ___he always tries his best to complete it on time.（1999 年第 51 题） A. However the task is hard B. However hard the task is C. Though hard the task is D. Though hard is the task 【译文】无论任务多么艰巨，他总是竭力准时完毕。【答案】B【解析】however 意思是“无论怎样，不管怎样”，引导让步状语从句时，背面需要紧跟形容词或副词，表达对形容词或副词意义的强调。而当though 引导让步状语从句时，从句背面的内容应为正常语序。2) This is an illness that can result in total blindness ___ left untreated.（第 42 题） A. after B. if C. since D. unless 【译文】这个病假如不进行治疗会导致双目失明。【答案】B【解析】after 和 since 都是引导时间状语从句，since 还意为“由于”。if“假如”和 unless“除非”都可以引导条件状语从句，根据句意和句子构造，选 B 项。3)___I sympathize, I can’t really do very much to help them out of the difficulties.(第 46 题）A. As long as B. As C. While D. Even【译文】虽然我很同情，我却无法协助他们处理困难。【答案】C【解析】while 引导让步状语从句时意义相称于 although ,但 while 让步分句只能位于句首。As long as 和 as 都不能用来引导让步状语从句；even 不是连词，若改成 even if 则可选。4）She did her work ___ her manager had instructed.(第 41 题）A. as B. until C. when D. though【译文】她按照经理的指示完毕任务。【答案】A【解析】As 作为连词可以引导方式状语从句，表达“按照，根据，正如，仿佛”，如：I have changed my idea as you suggest.其他三项也都是连词，until 和 when 引导时间状语从句，though 引导让步状语从句，与句意不符。5） native to America, the plant now can be seen all around the world. (第 78 题)A．Although B. Since C. Despite D. Because【译文】尽管这种植物是美国本土的植物，不过目前在全世界都可以见到。【答案】A 【解析】连词辨义题。Although 意为“尽管”，引导让步状语从句。此外，本句中状语从句和...
