题干
阅读下列材料，然后从A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳选项。B
| Broadcast 1/'brɔ:dkɑ:st||ˈbrɔdˌkæst/n[C] a program on the radio or on television: a radio news broadcast | live broadcast ( = a program that you see or hear at the same time as the events are happening) broadcast2vpast tense and past participle, broadcast 1 [ I,T] to send out radio or television programs: The interview was broadcast live across Europe. 2 [T] to tell something to a lot of people: There was no need to broadcast the fact that he lost his job. | Curious / ˈkjʊəriəs || 'kjur-/ adj 1 wanting to know about something: When I mentioned her name everyone was curious. | [ +about] I'm incurious about this book she's supposed to be writing. |curious to see/hear/know etc: Mandy was curious to hear what Peter had to say himself.—opposite INCURIOUS 2 strange or unusual: a curious noise coming from the cellar | curious that It's very curious that she left without saying goodbye. |
| Flask / flɑ:sk || flæsk/n [C] I BrE a special type of bottle that you use to keep liquids either hot or cold, for example when travelling 2 a flat bottle usually used to carry alcohol 3 a glass bottle with a narrow top, used in a LABORATORY flat1/ flæt / adj flatter, flattest 1 ▶ SURFACE◀ smooth and level, without raised or hollow areas, and not sloping or curving: a flat-bottomed boat |a perfectly flat sandy beach | | pollute / pə'lu:t/ v [T] 1 to make air, water, soil etc dangerously dirty and not suitable for people to use: beaches polluted by raw sewage | industrial emissions that pollute the air 2 pollute sb's mind to give someone immoral thoughts and spoil their character: fears that Lawrence's novels would pollute young minds--polluted adj: polluted rivers--polluter n [C] pollution / pəˈlu:ʃn /n [U] 1 the process of making |
。专家表示，这些放射物质来自于核燃料棒。锆被发现了，说明堆心已经彻底熔毁；这不是几年就能解决的问题，最坏的情况发生了。日本前景堪忧！下列关于