B.升調的特點是：
1.如果句末是重讀音節，升調就在這個音節上上升，例如：
Does he study hard?
2.如果末尾是非重讀音節，則最後一個重讀音節聲調低平，在它後麵的非重讀音節依次遞升。
例如：Is she a League member?
一般問句用升調。
2.現將用降調的有關句型列舉如下：
1.陳述句：Our life is ribsp;andiing.
2.祈使句:Remember to return itin time.
3.感歎句：How and tidy your roomis！
4.特殊疑問句：What’s our homework for today?
5.下列情況下用升調：
1.一般疑問句：Was it a good? film?May I have a look at your? picture?
2.位於句首的狀語：On every? fabsp;there was a smile.After he finished school? there. He went to the Uy of Ka zan.
3. 列舉事物：They have put up schools, theatres, shops and flats.
Along the river they have built? offices, hotels and a big park .
4.反意問句的後半部：You are from Bei jing. aren’t you?They have gone to town. haven’t they?
4．並列句語調。
在一般情況下並列句的兩個部分，都使用降調，例如：
I love my home town , and I love its people.
Nearly everyone was poor and many had no work.
如並列部分的意思聯係緊密，則前半部分用升調，後半部分用降調。
He was always bsp;to the people, and the people loved him.
5．含有狀語從句的複合句的語調
狀語從句如在主句之前，和位於首句的狀語短語一樣，讀升調：
When Lao Yang was a child, he worked at a factory.
After he took the medie, he felt much better.
B.升調的特點是：
1.如果句末是重讀音節，升調就在這個音節上上升，例如：
Does he study hard?
2.如果末尾是非重讀音節，則最後一個重讀音節聲調低平，在它後麵的非重讀音節依次遞升。
例如：Is she a League member?
一般問句用升調。
2.現將用降調的有關句型列舉如下：
1.陳述句：Our life is ribsp;andiing.
2.祈使句:Remember to return itin time.