【简答题】Part A 51. Directions: Restrictions on the use of plastic bags have not been so successful in some regions. “White pollution ”is still going on. Write a letter to the editor(s) of your local newspaper...
【简答题】Directions: Write an essay of no less than 200 words on the topic below. Use the proper space on your Answer Sheet Ⅱ. My Idea of professional Ethics for a Scientist
【简答题】Directions: Restrictions on the use of plastic bags have not been so successful in some regions. “White pollution ”is still going on. Write a letter to the editor(s) of your local newspaper to 1)give ...