Nancy and Sheila are in the same class. They are friends. Nancy wants to invite Sheila to dinner on Sunday. But Sheila doesn't know the way. Now Nancy is telling her.

"It's easy. You can take No. 4 bus. After you get off at Red Road. cross it and take the first turning on the left. Walk along the road for about five minutes. and then you'll see a big tree. Go straight on for about a hundred meters. and you will see a big red house. This is not my home. Go past the big house about four hundred meters. and you'll see a small yellow house beside a little tree. Then you can open the door with your foot."0

    "With my foot?" asks Sheila. "Why?"

    "Well. you won't come to my house empty-handed(空手地)， will you?"  answers Nancy.

    Jim, Tom and Tim are in the park. It's a small park, but it's nice. They can see some animals there. There are some birds in the tree. They are yellow. They can fly high. Quack… Quack… What do you hear? Oh，Some ducks. They can swim in the water. There are seven white ducks and nine black ducks. What's that? It's a cat. It's under the tree. It's white. It can jump very fast. The children like the small animals very much.

根据短文理解，选择正确答案。

Buzz! Buzz! Buzz!

This is the song of the bee.

His legs are yellow;

A happy, good fellow,

And yet a great worker is he.

On days that are sunny

He's getting his honey(蜂蜜);

On days that are cloudy

He's making his wax(蜜蜡);

On pinks and on lilies,

Buzz! Buzz! Buzz!

From morning's first light

Till(直到)the coming of    ⑶     .

He's singing and working

The summer day through.

“春种一粒粟，秋收万颗籽”，一棵参天大树也是由一颗种子发育来的，其实是因为种子中包含有发育成一株完整植物的（  ）