S 和Ｚ的发音要素
浊辅音(Voiced)：声带震动发出声音， voicing , 元音都是浊辅音（All Vowels are Voiced)
清辅音(Unvoiced)： 声带不震动， no voicing Unvoiced 和Voiced 是成对的 Paired Consonants

s在单词结尾怎么发音（word Ending)

3条规则帮助你正确发音

第一条规则： unvoiced ＋ ｓ， 发音都是清辅音，
比如：
cup: one cup, two cups
cat: one cat, two cats
break: I break, He breaks
stop: I stop, He stops

第二条原则 如果一个单词后面发音为：ｓ ｚ ｓｈ ｃｈ ｄｇ 后加ｓ发音 IZZZZZZZ
比如
page: 1 page, 2 pages pagezz
bus: 1 bus, 2 buses busizzz
lunch: 1 lunch, 2 lunches, lunchezzz
raise: I Raise, He raises his hand.
brush: I brush, He brushes
push: I push, he pushes

第三个原则 元音结尾的单词后面加ｓ，发音 Ｚ

比如：
Tree： 1 tree , 2 trees
Day: 1 day, 2 days
Shoe: 1 shoe , 2 shoes
Fly, I fly, He Flies
Game: 1 Game, 2 Games
Head: 1 Head, 2 Heads
Train: 1 train, 2 trains
song: 1 Song, 2 Songs
door
table
puter

一些例外的情况
is = iz
his = hiz
as = az
was = waz
these = theze
those = thoze
easy = eazy
because = becauze
juice /dgu:s/

练习例句
1. Another zippy, zappy, crazy day comes to a close. 
2. As we zoom up to Joe’s snooze zone, Zoe Jones of Zodiac Zoo plays with her zipper. 
3. Last week, Jim’s brothers were picked to represent their country in the Olympic Games. 
4. Two of the brothers were swimmers, while the other two were long distance runners. 
5. All of the brothers wore glasses. 
6. These atuletes worked hard at qualifyingfor the gems and were hoping to come home with prizes. 
7. Since the brothers go to the same university, the often take the same courses. 
8. This makes studying easier and gives them more time to do other things. 
9. On Thursday, I had a very lazy day. I woke up early, and first squeezed oranges into juice. 
10. I then got dressed, and watched the sunrise come up over the mountains. 
11. It was so beautiful that I took many pictures with my camera and I used three rolls of film. 
12. After drinking two cups of coffee. I got dressed, left the house, and walked thress mile home.