A. Do you like reading science book?

No, I don't like. / No, I don't like reading Science books. 

B. 1.Hi!

     2. what find?​

​     3. Give me ten flowers​.​

=> Another way: Your sentences are okay and these are another ways of saying them.​

   1. Bye! 

   2. what find?

   3. I want ten flowers.​