人教版五年級英語下冊《Whose dog is it?》PartA PPT(第3課時(shí))，共22頁。
Learning goals
能夠掌握字母組合ng/nk的發(fā)音規(guī)則，即ng/nk在單詞中分別發(fā)/ŋ/和/ŋk/；
能夠讀出符合ng/nk發(fā)音規(guī)則的單詞，并能夠根據(jù)發(fā)音拼寫出符合ng/nk發(fā)音規(guī)則的單詞；
能夠完成看圖寫句子的活動(dòng)。
Revision
This is my dog. It’s mine.
These are their storybooks. They are their’s.
That rabbit is Mike’s. It’s his.
The yellow picture is Amy’s. It’s hers.
— Are these all ours?
— Yes, they are.
Let’s do it!
—Whose blue schoolbag is this?
—It’s _________.
—Whose rulers are these?
—They’re _________.
Summary
ng和nk的發(fā)音規(guī)則
ng /ŋ/
/ŋ/是濁輔音，發(fā)音時(shí)聲帶振動(dòng)。舌后部高高抬起，抵住下垂軟腭，讓氣流經(jīng)過鼻腔，從鼻孔泄出。發(fā)音時(shí)雙唇始終微微張開。
nk /ŋk/
/ŋ/的發(fā)音同上。/k/是清輔音，發(fā)音時(shí)聲帶不振動(dòng)。發(fā)音時(shí)，舌后部弓起，緊貼軟腭，然后突然放開，讓氣流從口腔沖出，爆破成音。發(fā)/ŋ/和/k音時(shí)，瞬間合一。
Homework
Read and write some words that conform to the rules of ng/nk pronunciation.
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