Section DDirections: in this section you will hear a recorded short passage. The passage is printed in thetest paper, but with some words or phrases missing. The passage will be read threetimes. During the second readings you are required to put the missing words orphrases on the Answer Sheet in order of the numbered blanks according to what youhear. The third reading is for you to check your writing. Now the passage begin.Ladies and Gentlemen,Welcome to you all. We are pleased to have you here to visit our company.Today, we will first（20）you around our company, and then you will go and see our（21）and research center. The research center was（22）just a year ago. You may ask any questions you have during the visit. We will （23）to make your visit comfortable and worthwhile.Again, I would like to extend a warmest welcome to all of you on behalf of our company, and I hope that you will enjoy your stay here and （24）.