按要求完成句子。

（1）取少量Fe₂O₃粉末（红棕色）加入适量盐酸，反应的离子方程式为____ ．反应后得到棕黄色的FeCl₃溶液．用此溶液做以下实验：

（2）取少量溶液置于试管中，滴入NaOH溶液，看到有红褐色沉淀生成，反应的离子方程式为____ ．

（3）在小烧杯中加入25mL蒸馏水，加热至沸腾后，向沸水中加入2mL FeCl₃饱和溶液，继续煮沸至溶液呈____ 色，即可制得Fe（OH）₃胶体．

（4）另取一小烧杯也加入25mL蒸馏水后，向烧杯中也加入2mL FeCl₃饱和溶液，振荡均匀后，将此烧杯（编号甲）与盛有Fe（OH）₃胶体的烧杯（编号乙）一起放置暗处，分别用激光笔照射烧杯中的液体，可以看到____ 烧杯中会产生丁达尔效应．此实验可以区别____ ．

（5）取乙烧杯中少量Fe（OH）₃胶体置于试管中，向试管中滴加一定量的稀盐酸，边滴边振荡，可以看到的现象是____ 、____ ，此变化的离子方程式为____ ．

（6）已知明矾能净水，理由是____ ．

    我喜欢到顾客多的书店，因为那样不会被人注意。进来看书的人虽然很多，但是像我这样常常光顾而从不购买的，恐怕没有。因此我要把自己隐藏起来。有时我会贴在一个大人的身边，仿佛我是他的小妹妹或小女儿。  最令人开心的是下雨天，越是倾盆大雨我越高兴，因为那时我便有充足的理由在书店待下去。就像在屋檐下躲雨，你总不好意思赶我走吧？我有时还要装着皱起眉头，不时望着街心，好像说：“这雨，害得我回不去了。”其实，我的心里却高兴地喊着：“大些！再大些！”

    ……

    我低着头走出书店，脚站得有些麻木，我却浑身轻松。这时，我总会想起国文老师鼓励我们的话：“记住，你们是吃饭长大的，也是读书长大的！”

根据短文内容及首字母提示,补全空格内单词，使短文完整、通顺。

    Walden is a quiet small town in England. Cars c____ go into the centre of the town, so it is very pleasant to walk around.

    Spend at least half a day v____ the museum. It's on a hill outside the town in a lonely old building. The museum brings history to life. You can even ride on a horse and cart(马车) in the street. I was r____ interested in a 1950s living room in the museum. It was just l____ my grandmother's house. I lived there when I was a c____ .

    If you can't wait, there is a new exhibition(展览) opening soon. Walden is f____ for one thing—candy! If you like candy, this exhibition is the place for you. You can learn about its history. I n____ see so many different kinds of candies.

    But I won't go now b____ it will start on the 26^th of May.

    When you are there, have a look around Walden too. If you start in the main square and follow the green signs, they will t____ you to the museum, and you will see lots of other interesting things o____ the way, too.