三年级下册英语拼读基础

利用面积不变来计算高。
3*4/2=6平方米
设斜边上的高为X米，
5X/2=6
5X=12
X=2.4
答：斜边上高为2.4米

往乙袋中加入5kg大米就与甲袋一样重，也就是加入5kg后重量是原来的1.2倍。

5kg就是原来重量的0.2倍。

所以乙袋大米原来重25kg，甲袋大米原来重30kg。

找一本小学一年级上半学期的教科书或者教参 或者去网上找教案或者课件看 很好学

practice3. A，听录音，圈出听到的字母组合或单词。

1、Are you wearing a red dress?

2、Come and look at my picture.

3、There was no gym in my school.

4、Are you going to use any books?

5、I like to ice-skate and play in the snow.

1、I went fishing.

2、No，i didn‘t.

3、I played basketball.

4、Yes,i did.

5、I went to the park on last Monday.

怎么没看见你的题目啊

1.When I was a child,I didn't like tomatoes.
2.Where did you live before you arrived here?
3.Liz has a short hair,but her hair was long before.
4.I used to play tennis,but I play golf these days

最基础的是：声母和韵母

按照这个理论，老师应该去找他的老师，，，，，，，，，，去问个究竟。