5.Once he took the vow, his () never wavered(动摇).

17.Whenever you () problems, you can always ask your professor for help.

30:When I asked my students to practice holding a conversation in class, they looked confused. What's worse, my students 21.() hard in this class activity. I came to realize thatcultivating in students the ability of communicating with each other in real time has been 22. () in the current education. Face-to-face communication is probably the most important skill in the 21st century. It is a(n) 23. () a skill indispensable for job interviews, pay raise negotiations, project discussions, and making life decisions. However, students' 24. () on smartphones for communication is making it difficult for them to engage in face-to-face talk. The strong push for screen use in schools has also led to 25. () consequences. It prevents students from developing the ability of 26. () thinking. It also dumbs down their communications, even on the most important matters. Now that technology has an important 27. () on students' lives, probably we could take advantage of digital devices to help students regain the lost art of face-to-face conversation. I have noticed that students take conversations, debates, and discussions more 28. () when recorded. We can encourage students to 29. () a balance between digital literacy and interpersonal conversation. In this way, students will be able to learn to maintain 30. () conversation.

38. Directions: For this part, you are allowed 30 minutes to write a short essay entitled A Hard Experience at College. You should write at least 120 words following the outline given below. 1. Describe a hard experience at college.（描述一段艰难的校园经历） 2. How did you overcome the difficulties？（如何克服困难？） 3. What lessons have you learned from it？（学到了什么？） Key words: hard, experience, lesson

19.When you enter university, try not to () your parents as you used to.

14.Meat from diseased animals carries the bacteria, and any food can ()it () during storage or preparation.

4.Goleman believes that () interaction exerts its great influence on our happiness and other aspects of our lives.

29:When I asked my students to practice holding a conversation in class, they looked confused. What's worse, my students 21.() hard in this class activity. I came to realize thatcultivating in students the ability of communicating with each other in real time has been 22. () in the current education. Face-to-face communication is probably the most important skill in the 21st century. It is a(n) 23. () a skill indispensable for job interviews, pay raise negotiations, project discussions, and making life decisions. However, students' 24. () on smartphones for communication is making it difficult for them to engage in face-to-face talk. The strong push for screen use in schools has also led to 25. () consequences. It prevents students from developing the ability of 26. () thinking. It also dumbs down their communications, even on the most important matters. Now that technology has an important 27. () on students' lives, probably we could take advantage of digital devices to help students regain the lost art of face-to-face conversation. I have noticed that students take conversations, debates, and discussions more 28. () when recorded. We can encourage students to 29. () a balance between digital literacy and interpersonal conversation. In this way, students will be able to learn to maintain 30. () conversation.

22:When I asked my students to practice holding a conversation in class, they looked confused. What's worse, my students 21.() hard in this class activity. I came to realize thatcultivating in students the ability of communicating with each other in real time has been 22. () in the current education. Face-to-face communication is probably the most important skill in the 21st century. It is a(n) 23. () a skill indispensable for job interviews, pay raise negotiations, project discussions, and making life decisions. However, students' 24. () on smartphones for communication is making it difficult for them to engage in face-to-face talk. The strong push for screen use in schools has also led to 25. () consequences. It prevents students from developing the ability of 26. () thinking. It also dumbs down their communications, even on the most important matters. Now that technology has an important 27. () on students' lives, probably we could take advantage of digital devices to help students regain the lost art of face-to-face conversation. I have noticed that students take conversations, debates, and discussions more 28. () when recorded. We can encourage students to 29. () a balance between digital literacy and interpersonal conversation. In this way, students will be able to learn to maintain 30. () conversation.

16.He collected a () of curious information on the road.