根据句意及首字母提示写出所缺单词。

1. People in Korea are supposed to b_____ when they meet for the first time.

2. In China people often s_____ hands with each other when they meet for the

first time.

3. My classmates are m_____ boys.

4. You're supposed to k_____ when you meet people for the first time in Brazil.

5.  When you are i_____ for a party, you should arrive a little earlier in my

country.

女，32岁，身高163cm，1个月前体重92kg，开始每天只吃两个苹果，现在体重.降至86kg，主诉呼吸短促，无力，易感疲劳，腿痛。检验：甘油三酯2.1mmol/L，总胆固醇7.1mmol/L。

该患者膳食脂肪供能的适宜比例为（）。

A.30%～40%

B.＜10%

C.20%～30%

D.10%～20%

E.40%～50%