填空题

Part A For questions 1-5, you will hear a passage about petroleum. Listen and complete the sentences in questions 1-5 with the information you have heard. Write not more than three words for each answer. You will hear the recording twice. You now have 25 seconds to read the table below. From the refined oil we obtain important products, such as ______ , kerosene, detergents,______ ,______ , and perfumes.

【参考答案】

fertilizers, plastics, drugs