Ⅰ. Read and group. (将下列单词按画线部分读音分成两类。)
yellow grow flow boat low brown now
1. /əʊ/
2. /aʊ/

Ⅱ. Read and judge.（判断句子中单词画线部分的发音是“T”否“F”相同。）
（）1. She draws a coat on the blackboard.
（）2. How do you know that?
（）3. The little cars go on the road.
（）4. There is snow on the window.
（）5. Slow down. You should follow the rules.

Ⅲ. Read and finish the tasks.（阅读对话，完成下列任务。）
A: How can we stay healthy in winter?
B: First, we should put on our 1. when going out. It's cold outside.
A: What else?
B: We should wash our hands with 2. before eating. And we shouldn't walk too fast on snowy days—we should walk 3. .
A: Oh, and drinking enough water is important too!
B: Yes! Our 4. is to stay healthy every day.
任务一：根据对话内容，用含有字母组合 oa 或 ow 的单词补全对话。
1. 2. 3. 4.
任务二：请再写2个与健康习惯有关的句子，需要使用含有字母组合 oa 或 ow 的单词。