· Finding：Seniors, on average, bathe fewer than 3 times a week. And nearly 30% wash their hands only 4 times a day - half of the number doctors advise.

· Step：We touch our faces around 3,000 times a day - often inviting germs（病菌）to enter our mouth, nose, and eyes. Use toilet paper to avoid touching the door handle. And, most importantly, wash your hands often with hot running water and soap for 20 seconds.

填填记记

银杏树又叫____树和____树，如果你小时候种下一棵银杏树，一直要等你当上____，才能吃上它的果子。

下列现象是由地球自转产生的是（　　）

说出下列句子的汉意。