24. Only after my friend came ______.

21. ______ the course very difficult, she decided to move to a lower level.

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

33. Better take a hat with you ______ you get sun burnt because of the strong sunlight.

65.可能你公司正面临一些我们不了解的困难。

Conversation 29.

46.The ______ of bacteria causes body odor.

5.

62.大多数父母所关心的是，尽可能为孩子提供最好的教育。

58.我们在寻找有经验的人士，他们愿为我们高绩效的组织做出贡献，并能为他们职业生涯的成功而奋斗。

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.

42. It’s implied in the passage that the author may be _____.