LakeLander                                                                                                                    2 hours ago

                Today, a man talked very loud on his phone on a train between Malvern and Reading, making many passengers upset. I wonder how he would react if I were to read my newspaper out loud on the train, I have never had the courage to do it, though.

Pak50                                                                                                                        ···     ·57 minutes ago

     Why not give it a try? Perhaps you should take lessons on a musical instrument. The late musician Dennis Brian is said to have

asked a fellow train passenger to turn off his radio. When his request was refused, he took out his French horn(号) and started

                   to practice.

Angie O’Edema                                                                                                                   ·42 minutes ago

                    I don’t see how musical instruments can help improve manners in public. Don’t do to others what you wouldn’t like to  be  done to yourself. Once, a passenger next to me talked out loud on his mobile phone. I left my seat quietly, giving him  some privacy to finish his conversation. He realized this and apologised to me. When his phone rang again later, heleft his seat to answer it. You see, a bit of respect and cooperation can do the job better.

Taodas                                                                                                                                    ·29 minutes ago

                  I did read my newspaper out loud on a train, and it turned out well. The guy took it in good part, and we chatted happily all the way to Edinburgh.

Sophie 76                                                                                                                                 ·13minutes ago

                 I have not tried reading my newspaper out loud on a train, but ,several years ago, I read some chapters from Harry Porter to my bored and noisy children. Several passengers seemed to appreciate what I did.

化学对推动人类进步、提高生活质量作出了不可磨灭的贡献．下列物质的名称、化学式、用途叙述不正确的是（　　）

I don't know _________.