题目内容：

阅读下面材料，在空白处填入1个单词或括号内单词的正确形式。

The Center for Disease Control and Prevention has detailed 1. (instruction) on how hand-washing should go.

First, wash your hands with clean running water, turn off the tap to save water and apply soap 2. your hands. The temperature doesn’t matter, but using warm water is usually better for your comfort. Then, rub your hands together 3. (make) a lather (泡沫), and make sure to lather the backs of your hands, between your fingers and under your fingernails.

This is 4. many people fall short: You should be washing your hands for at least 20 seconds. Evidence 5. ( suggest) that you can remove more germs (病菌) from your hands for this amount of time while 6. (wash) your hands.

Next, wash your hands well under clean water, and dry them using a clean towel 7. a hand drier.

If you’ve been washing your hands 8.(different), that’s okay. Anything is 9. (good) than nothing. But still, doing it the right way keeps yourself and those around you 10. (health).