根据语境，下面横线上填入的句子排列恰当的一项是（      ）（2分）
很久以前，我听过瞎子阿炳用二胡拉《二泉映月》的录音，这是世上最动人的音乐之一。                   。我想，阿炳当年创作这首曲子，未必是描绘二泉，而是对自己坎坷一生的感叹。
①说它是映照着月光的泉水，并不勉强。
②然而乐曲决不是简单地描绘自然，这是从一颗孤独寂寞的心灵中流淌出来的心曲。
③单纯的声音，缓慢悠扬的旋律，带着些许沙哑，在冥冥中曲折地流淌。
④听着这样的音乐，我的心灵无法不随之颤抖。

阅读下面短文，从短文后各题所给四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。

    The Americans were getting ready to send their first man to the moon, an old Irishman (爱尔兰人) was 1 them on TV in a hotel room. There was an Englishman in the room 2. And he said to the Irishman, “The Americans are very 3, aren't they? They are going to send some men to the moon. It's a very 4 way from our world.” “Oh, that's 5,”the Irishman answered quickly.” “The Irishman are going to send some men to the sun in months' 6. That's much 7away than the moon, you know. “The Englishman was very 8 when he heard this. “Oh, yes it is,” he said, “But the sun is too 9 for people to visit.”

    The Irishman laughed and answered, “Well, the Irish are clever, too, you know. We 10 go to the sun during the day, of course. We'll go there during the night.”

化简：$\frac{-4}{2\left(1-m\right)}$=____ ．

如图是一款利用电磁悬浮技术制作的没有“地轴”的地球仪，其原理是：将空心金属球放在通电的线圈上，电磁场在金属球表面产生涡流，涡流与磁场作用形成磁力，从而实现地球仪的悬空静止。地球仪悬空静止的原因是（  ）

小梅家有一批盆栽的郁金香，过去一直开红色花，现在却开出了紫花，有人认为这是土壤中缺水引起的，但小梅经过一段时间补充水分后，还是开紫花．这说明实验结果与原来的假说是不符合的，最好的处理方法是（　　）