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并列句和状语从句 Ⅰ.单句语法填空(2015·高考安徽卷改编)____________ scientists have learned a lot about the universe解析：句意：虽然科学家已经了解到很多有关宇宙的知识但是我们仍然不知道的还有很多。前后句应为让步关系故填although/though。答案：Although/Though(2015·高考安徽卷改编) ____________ he once felt like giving upgoing. 解析：句意：曾经让他感到想放弃的地方现在他决心继续前进。根据句意可知此处表示让他感到想要放弃的地方。故填where。答案：Where(2015·高考北京卷改编) ____________ the damage is done解析：句意：一旦/如果农田被毁坏将需要许多年的时间才能得以恢复。结合句意故可填once“一旦；一经……便”。也可填if“如果”引导条件状语从句。答案：Once/If(2015·高考江苏卷改编)It is so cold that you can’t go outside ____________ fully covered in thick clothes.解析：句意：天太冷你不能去外面除非你全裹在厚衣服里。unless相当于if...not(如果……不)符合句意。unless fully covered in thick clothes为状语从句的省略补充完整为“unless you are fully covered in thick clothes”。答案：unless(2015·福建厦门市期末质检改编)—How long do you suppose it will be ____________ Xiamen Railway Station comes into operation?解析：句意：——你认为还要多久厦门火车站开始运营？——大概二十天左右。It will be＋一段时间＋before 意为“要过多长时间才……”。答案：beforeford enough time with his son ____________ he wants to. | 
