Answer:
A lesson on mathematical formulas given in a doctorate thesis would probably be classified as <u>Formal.</u>
I'll tell you. M' father, Pip, he were given to drink, and when he were overtook with drink, he hammered away at my mother, most unmerciful. It were a'most the only hammering he did, indeed, 'xcepting at myself. And he hammered at me with a wigour only to be equalled by the wigour with which he didn't hammer at his anwil. - You're a-listening and understanding, Pip?"
In this excerpt, the action of "hammering"
hope this helps
<span>C. Youthful
"Child-like" as a word can best be replaced by the adjective youthful. It is the correct part of speech to fit into the rest of the sentence, and it means basically the same thing. Acting like a child is acting as one did in youth, so youthful and child-like are very close synonyms. </span>
