7. The two examples respectively demonstrate the central argument from the negative side and the positive side, which makes the positive and negative examples in sharp contrast and has strong persuasiveness.

8. After winning the Nobel Prize, Madame Curie was indifferent to fame and fortune, and even gave medals as toys to her daughter to continue her beloved scientific career and benefit mankind.

9. The key to agree or disagree is to explain the reasons. Exodus: I agree to delete it, because citing David's example shows that he is blindly intoxicated and addicted, and writing how Faraday respects his teacher has nothing to do with the content of the article. I don't agree to delete it, because writing Faraday's respect for the teacher can better compare the depth of David's sinking.

10. Just saying "caution" makes sense.

Ask the landlord to adopt it! ! !