先阅读短文，再在其后空白处出各单同的正确形式，单词的第一个字母已给出。

    Soap is widely used in our lives around the world. Once soap was a dangerous-to-make hair P____. But it is something that it would be difficult to live without today.

    Soap is everywhere. We use it every day and c____ it as something important in our lives. It also has an amazing h____, in Babylon around 2800 B. C., the e____ known soap was made and used. Ancient Egyptians also made soap. At one time, soap-making was not s____.That's because lye(碱液) b____chemical burns or even made people blind in the making process. Other dangerous materials were also m____with animal fats and oils. Later. soap became a____ in stores and people gradually stopped making it in their homes.

    Originally (最初), soap was not mainly used for c____ Instead,it was used as gel(凝胶) for making hair stay in place or smell good. The Arabs first made the soap that we know today. They created colored, liquid, and hard soaps. They even had soaps which were used for shaving(刮胡子).

    Soap became people's f____in the late 1800s. Advertising in Europe and the US helped people understand the connection between cleanliness and good health. Now. Soap is something we wouldn't want to live without.