【简答题】Is the following conformation the most stable one? If YES, State your reason. If No, suggest the favored conformation for it and state your reason.
【简答题】For each of the following pairs of words, state the principal reason why they may not be considered to be synonyms:(浙江大学2005研) a. man boy b. toilet loo c. determined stubborn d. pavement sidewalk e. s...