Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE. 听力原文： US space authorities say part of an-out-of-control Chinese satellite is likely to splash down into the Pacific Ocean on Thursday. The US space command says the two-ton re-entry vehicle will hit the ocean between Central America and Hawaii after blazing a fiery path through the earth's atmosphere. China disputes the US space command's claims. The Chinese Aerospace Corporation says that the satellite will not re-enter the earth's atmosphere for another six months. Chinese scientists recently lost control of the satellite when they were radioing re-entry commands. The Chinese satellite is supposed to return to the earth______.