【判断题】Block systemis a kind of train operation,whichmeans when a section isoccupied by a train and no other train is allowed to use that section until the proceeding train has traversed that section.
【单选题】Which of the following is the correct order of problem-solution pattern?① Give your Solution② Inquire for the answer to the question.③ Tell a personal experience and ask a question accordingly.④ Analy...
【单选题】Match each description (1–5) to the correct section (1, 2, 3 or 4) of IELTS Listening. Example: a conversation between a student and someone at an accommodation agency Answer: Section 1 1. a discussio...