题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

If you have a cold, then it's time to learn some cold prevention techniques. You just need to learn and use some new behaviors1. lifestyle habits every day.

Your best 2. (protect) from the common cold and flu is frequent hand washing. The simple act 3.  occurs when you rub your skins while using warm water and soap can get rid of most 4. (potential) harmful germs.

While germs are often spread to others through household 5. (object) — telephones, door handles, toothbrushes, and tap handles — the 6. (big) transportation center for germs is your hands. That's why frequent hand washing gets rid of the illness-causing germs and 7. (help) to prevent the spread of some diseases.

As many as 56,000 people die from the flu or flu-like illness each year.8. simple act of hand washing

is the single most important means of preventing the spread of infections. Yet some studies show that many

Americans 9. (use) public restrooms don't wash their hands before leaving. People also forget 10. (wash) their hands before preparing meals and they have snacks without thinking of washing their hands beforehand. If you want to help prevent colds, just stop — and wash your hands.