【简答题】阅读理解。 Sometimes, people are not clear about what kind of food is healthy and what kind of food may do harm to our health. The USDA has prepared a food guide to help people learn about which kind of fo...
【单选题】听力原文:M: What's the matter with you? W: I'm not feeling well, doctor. I have a fever. M: I'll take your temperature first. How long have you been like this? W: It began yesterday. M: Do you feel thirst...