根据下面的解释写出正确的词语。

①形容说话或行动坚决果断，毫不犹豫。

②全世界的各个地方的人都知道它的名声。

③指相互缠绕或遭人烦扰不休。

Now they are （clap）.

口算
4000÷20=            180×20=             300﹣130=             34×20=
202÷50=             5400﹣600=            5600÷700=            3×3×8=
36×0×5=             38×42=                  70÷11=              564÷71=
598×41=             723÷78=                62×206=

一个三角形三个内角度数的比是3 ：2：1，这是一个三角形。

两个因数（非0数）末尾共有几个0，积的末尾就至少有几个0。（    ）

1米=100厘米

4.8米=厘米

下列各组词语中，下划线字的读音全部正确的一项是（   ）

看图，认单词。请根据所给的图片，找出与它相对应的单词

A. cook   B. watermelon   C. computer   D. hair   E. hospital

(37-25)×4=（    ）

在一个直角三角形中，已知一个锐角是30°，另一个锐角是°．

两个不同的自然数的和一定比这两个自然数的积小。（    ）

所有乔木植物的叶子都长得一样。

画出下面图形的对称轴。

阅读理解

Welcome to the clothes store (服装店). There are many dresses, T-shirts, shirts, jeans, coats and shoes in the store. Look! This is a green dress. It's very pretty. But it is so expensive. It's 200 yuan. Look! These are boots. They're blue and white. They are 99 yuan. Look at the sneakers (运动鞋). They are so big and cool. But they are not for sale. They are Yao Ming's sneakers.

350÷70+15×8时，可以同时计算是法和法．

                       

—Is she eating?

—

在用竖式算出“123+2847=2970”后，小红又验算了“2970-2847=123”，便确信所算的和是正确的。她这样验算的依据是。

读一读，选择适当的句子，填空完成对话。

A. Would you like to join it too? B. How about you, Mark? Do you like sports? C. Can you help me? D. What do you like, then?

Mark: What do you like doing after school, Ted?

Ted: I often play badminton with my father at weekends. I like playing badminton in the garden.

Mark: No, I don't. Sports make me feel tired.

Ted:

Mark: I like chocolates, sweets and biscuits. They're tasty (美味的).

Ted: Don't eat so many sweet things. It's not good for you. You need exercise. There are many sports clubs in our school. I want to join the basketball club.

Mark I'd love to, but I can't play basketball very well.

Ted: Yes, of course.

Mark: OK. I can have a try (试一试).

8公顷=平方米                    62000平方米=公顷

680平方厘米=平方分米              0.69平方千米=公顷

简便运算．

34×101