|
大学英语六级考试攻克语法必备练习 语法改错练习 必做： 1.The city was taken,the inhabitants fled. 2.A man escaped from the prison last night.It was a long time when the guards discovered what had happened. 选做★：You can arrive in Beijing earlier for the meeting unless you dont mind taking the night train. 答案解析： 1.【解析】应该将was taken改为having been taken。该题考察独立主格结构的用法。 2.【解析】应该将when改为before。该题考点为句型It is/was/will bebefore.的用法，意为过了才 选做★：【解析】应该将unless改为provided。该题考察引导条件状语从句的连词。此处provided可以当if理解和使用，用unless不合题意。 难句翻译 必做： 1.The wise old King praised the boy with his pot empty because the boy did not want to cheat him by showing him some flowers cultivated by others. 2. You can arrive in Beijing earlier for the meeting unless you dont mind taking the night train. 选做★：If it could be established that life arose independently on Mars and Earth, the finding would provide the first concrete clues in one of the deepest mysteries in all of science: the prevalence of life in the universe. | 
