What must you do when you get a present for your birthday? You have to sit down and

w 小题1: a thank-note. The words“thank you” are very important. We have to use them very

o小题2:We say them when someone gives us a drink, h小题3:us to pick up things,

or lends us a book.

Another i小题4:word is “please”. Many people forget to use it. It is not polite to ask someone to do something without s小题5:“please”. We have to use it w小题6:we ask for something, too. It may be a book or a pencil, more rice or help.

We have to l小题7:to say “sorry”, too. If we hurt (伤害)someone, we’ll have to go up to say “we’re s小题8:”. When we forget something, we will a小题9:say “sorry”.

These three words are easy b 小题10: important. Our children must learn to use them. They are pleasing(令人高兴的) words to use in any language(语言).

根据《建筑工程建筑面积计算规范》（GB/T50353-2013），下列关于有永久性顶盖无围护结构的场馆看台建筑面积的计算，说法正确的是（）。

A.按其顶盖水平投影面积的全面积计算

B.按其顶盖水平投影面积的1/2计算

C.净高在1.20~2.10m的部位计算1／2面积

D.层高在2.20m及以上者计算全面积