用一些沙子、金鱼藻和小鱼做成生态瓶，瓶中这些沙、金鱼藻、小鱼之间（   ）

比一比，再组词。

稚蜡睑

雏腊脸

按要求，填单词。

do（否定形式）

解决实际问题．

小林画画用了 小时，写毛笔字比画画多用 小时，写毛笔字用了小时？

一个平行四边形的面积是10.5cm² ， 底是2cm，对应的高是（    ）cm。

当32÷x=4时，x×4×8÷2=．

物体的影子总在阳光背光的一面。（    ）

直接写得数

1+3.48=          2.6+4=          0.9-0.45=            99×36=

+ =          - =           + =            + - =

- = + = 1- - = - + =

一个箱子里装有40个大小相同的球。其中有15个红球、9个白球、7个黄球、5个绿球、2个蓝球、2个黑球。

选择正确的答语（  ）

一个两位数，十位上是5，个位上是b，这个数可以表示为（   ）。

2路公共汽车行驶路线全长10千米，相邻两站的距离是1千米，从起点到终点一共有个车站。

选出你所听到的单词。

根据短文内容判断正误

There was a small park in my city before, but now there is a big and beautiful park. And there is a pond with some ducks on it. There wasn't a pond before. In my city there were some old houses and small trees. But now there are some new and high buildings. The trees are very tall and the flowers are very beautiful now. There are some supermarkets and some cars now. I love my city. Do you want to visit it?

一座拱形桥的两根望柱间隔1米，每侧各有15根望柱，这座拱形桥长几米?

补全对话。

A. What about you? B. Can you swim? C. I can't dance well like you. D. I can play the violin. E. What can you do?

Panpan: Hello! Mingming

Mingming: No, I can't.

Panpan:

Mingming: I can dance well.

Panpan: Great!

Mingning: Panpan.

Panpan: I can draw a picture. But

Mingming: Em. Don't be mind. What instruments can you play?

Panpan:

Mingming: You are great, too.

Panpan: Thank you!

给下面加下划线的字选择正确的解释，把序号填在括号里。

疾:①疾病；②痛苦；③痛恨；④急速；猛烈。

Ⅰ马上的男女老少穿着各色的衣裳，群马疾驰，像一条彩虹向我们飞过来。

Ⅱ他的爷爷劳累过度，积劳成疾。

Ⅲ当领导的要及时了解老百姓的疾苦。

Ⅳ鲁智深疾恶如仇，三拳打死了镇关西。

一个数比 多 ，这个数是(   )。

They can sing the birthday song.

粉刷教室的四壁及屋顶．教室长8米，宽6米，高3米，扣除门窗面积21.7平方米．如果每平方米需涂料0.5千克，一共需要千克涂料。