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How many electronic textbooks are there?
How many electronic textbooks are there:

The original text of the first day of junior high school is as follows: one big and one small. A scalper drew a picture. More on one side, less on the other. A flock of ducks and a bird. One big and one small. An apple and a jujube. More on one side, less on the other. A bunch of apricots and a peach.

The main points of "What's the size" in the first grade text;

This nursery rhyme consists of four bars. There are two lines in each part. The first line makes a simple comparison from the perspective of "size" or "quantity", and the second line feels "size" or "quantity" through specific things. This children's song has a strong sense of rhythm and is catchy to read. There are children's songs and four contrast pictures, which vividly show the relationship between "size" and "quantity" of things, prompting students to use appropriate quantifiers to express things of different sizes and quantities.

The first volume of the first grade Chinese is compiled by the Ministry, and the seventh lesson of text learning, "How big and how small", is a nursery rhyme. This children's song consists of four bars, each with only two lines. The first line makes a simple comparison from the perspective of "size" or "quantity", and the second line makes children feel the size or quantity through specific things.

How much is the imitation of children's songs:

1, a big one, a small one, an elephant and a cat. More on one side and less on the other, a basket of grass and a flower. A big one, a small one, a wild goose and a bird. More on one side, less on the other, two watermelons and a strawberry.

2. A big one, a small one, a pineapple and a grape. More on one side, less on the other, a group of puppies and a monkey. A big one, a small one, a basketball and a ball. More on one side, less on the other, a bunch of apples and an orange.

3. One is big and the other is small. A ball of cotton, a hair. More on one side and less on the other. A piece of wheat and a piece of rice. Count, have a look and remember the size.

A big one, a small one, a rabbit and a bird. One more, one less, a pack of wolves and a cat. Count, have a look and remember the size.

5, one big and one small, more on one side and less on the other, a watermelon and a jujube, a tiger and a cat, and a mouse run.