2025年专四练习从属连词

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...