【单选题】听力原文:W: I haven't seen you down at the tennis court in weeks. Have you been on vacation? M: No, I have been around. It's just that I've got this pain in my elbow that's keeping me from playing tennis....
【简答题】Anti-virus Software Engineer: Hi, Sally. I understand you have some concerns about network security. Owner: Yes. I really appreciate you coming in, Jeff. I could really use your help. Engineer: Did yo...