Well, if I were you, I'd improvise and make up a few words as long as I don't stray from the subject. Hmm. How interesting ...
3. First, drop water on the package, and then slowly put it down at a 45-degree angle. Tell you a secret, there are no bubbles in the book. If there are still bubbles, first dip a little water in the side of the cover glass that contacts the film, and then put it down. There is little possibility of a bubble.
4. Don't drop too much iodine, use absorbent paper to suck at the other end of the cover glass.
I don't need to say this again. There are pictures and words in the biology book, which are very detailed.
6. The definition of organization must be memorized, and there is a very detailed explanation in the biology book.
7. Same as (2), not much to say.