洪恩幼儿英语3第二单元包含以下内容：

1. 词汇：apple, banana, grapes, pear, orange, watermelon, strawberry, pineapple, kiwi, fruit, eat

2. 句型：

– What fruits do

you like?
– I like apples, bananas, and grapes.
– Do you like watermelons? Yes, I do. / No,

I don\’t.
– Let\’s eat some fruits.

3. 对话：

A: What fruits do you like?
B: I like apples, bananas, and grapes. What about you?
A: I like oranges and watermelons. Do you like watermelons?
B: Yes, I do. Let\’s eat some fruits.

4. 歌曲《Fruit Salad》。

以上是洪恩幼儿英语3第二单元的内容概述，希望对您有所帮助。