【单选题】Different Stages of Sleep A scientist who has spent many years studying sleep was asked this question: 'Why do we need sleep?' His answer was.'If we do not sleep, we get very sleepy, 'No one knows exa...
【单选题】听力原文:M: Do you have any idea where Samuel is now? It's already 10: 30. This is the third time this week he's not on time. Didn't I make it clear that all waiters and waitresses must be at work by 10, ...
【简答题】Fill in the gaps with the words. hire arrive interview respect meet information natural online 1) Learn - Find out 1 about the company. Think of some questions to ask in the ...