Answers to the efficient learning plan "Try it yourself" in the second volume of the second grade of Chinese version S.

answer: accumulation and application

I will connect.

really? qu?

eh? l? N

case n

wrong? W?

clip? Jiā

scale? l? N

subject? Kē

brake? ch?

both? j?

cylinder? Gāng

compare and then combine words.

a tree with a heart slowly asks questions

Try the classroom

Text comprehension and sentence reading practice

Thinking:

Think about everything, try it yourself, don't think that what scientists say is correct, and be brave enough to challenge scientists' conclusions

.

Read it and think about it:

1. No one has ever seen a goldfish always with scales.

2. Since you can't figure it out, you should try it yourself.

3. Son, you shouldn't think that all the scientists' words are correct.

4. Uncle, scientists can't ask wrong questions.

extracurricular reading development

1, 3

2. Reach into the tree hole and use two branches

3. He told everyone to fetch a basin of water, one for you and one for me, and pour the water into the tree hole. When the water in the tree hole is full, the ball floats up.