【简答题】Directions: Read the following letter. After reading it, you should give brief answers to the 5 questions (No 56 to No. 60) that follow. The answers (in no more than 3 words) should be written after t...
【简答题】填空题: Some businessmen take no approaches ( 1) the problem of pollution to make a greater profit, but we are trying to develop new method (2 ) controlling pollution, which has been as an effective mean...