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A. Talk time
A. 对话时间
Rhythm (strong and weak sounds)
节奏（强弱音）
In stressed syllables, we give the vowels a strong pronunciation (clear and long). In unstressed syllables, we give the vowels a weak pronunciation (unclear and short). This adds rhythm to words and sentences when we speak.
在重读音节，我们给元音很强的发音（清楚而长）。在非重读音节，我们给元音弱的发音（不清楚且短）。这在当我们说话时增加了单词和句子的节奏感。
A1. Say these words. Make the underlined vowels strong. Make the dotted vowels weak.
A1. 读这些单词，下划线标记的元音强音，虚线点标记的元音弱读。
except
除了
enter
进入
secret
秘密
pyramid
金字塔
fantastic
奇妙
A2. Say these words. Mark the strong and weak vowels as above.
A2. 读这些单词，像上面（A1）一样标记出强弱元音。
about
大约；关于
collect
收集
nobody
没有人
animal
动物
invention
发明
A3. Listen to these sentences. Pay attention to the rhythm of each sentence.
A3. 听这些句子，关注每一个句子的节奏。
1. There's a plane for America every day.
1. 每天都有一架飞机飞美国。
2. Denise has gone to work. She will be back at five o'clock.
2. Denise 已经去上班了。她会在五点钟回来。
3. How much does a ticket to Tokyo cost?
3. 去东京的车票多少钱？
4. When you see Simon, can you give this book to him?
4. 当你见到 Simon 时，你能否把这本书给他？
A4. Listen to the poem below. Pay attention to the rhythm.
A4. 听下面的诗句。需注意节奏。
There once was a man called Ed Heath,
曾经有个人叫 Ed Heath，
who sat on his set of false teeth.
谁在他座位上放了一套假牙。
He said, with a start,
他一坐下就叫道：
“Oh, bless my poor heart!
“哦，上帝保佑我可怜的心脏！
I've bitten myself underneath!”
我咬到我自己的下面了！“
