46.The ______ of bacteria causes body odor.

43. In the author’s opinion, _____. 

59.在加工过程中，会重新人为加入某些食物的维生素和矿物质，但却未必和原来的一样健康。

（ ）51.Although Rob lead a quiet life in a small village, that doesn’t stop him from wanting to find out about the latest scientific development.

40. The main purpose of the passage is to ______.

Part Ⅰ Listening Comprehension (15 Points)Directions: This part is to test your listening ability. It consists of 3 sections.Section ADirections: This section is to test your ability to understand short dialogues.There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.1.

32. Bob thought he couldn’t go to the party because he had to write a report, but he went ______.

19. You cannot accept an opinion ______ to you unless it is based on facts.

7.

31. Many businesses started up by college students have ______ thanks to the comfortable climate for business creation.

20. Please send us all the information ______ you have about the candidate for the position.

30. Scientists have obtained more evidence ______ plastic is finding its way into the human body.