根据句意及首字母的提示，补全单词。

1.  You are supposed to k   __    in Brazil.

2.  Switzerland is the l     __  of watch.

3.  When you meet Chinese for the first time, you should s    __   hands.

4.  Please d    __   by my house on your way home.

5.  We make p  __     to meet friends.

下列经呼吸道传播的疾病有（）

A.风疹

B.流行性感冒

C.登革热

D.麻疹

E.腮腺炎