2.Notice the use of "can"in the following sentences:it expresses possibility in an abstract way,unlike "may/might/ could"which mean "perhaps"(that is,talking of possibility in a more realistic way). It can sweep by your ear and ..suggest hidden meanings, preconscious associations.(11.7-9) This can yield amusing results.(1.28) It can be dismissed as a rebellion.(11.33,34) 3.(S2.) 1)that was how it was used--that:the previous sentence, "revolution"means a turning around (notice "means":it is still used in this sense today). paraphrase:a turning around was the sense in which the word "revolution"was used (in the 14th century);a turning around was what the word "revolution"meant (in the14 th century)· You can recast that to mean...--that:what has just been said,i.e.,revolution was personal. 4."Revolution"means a turning around (1.18). 1)"turning"--more like a noun (as it is preceded by "a")than a gerund but not yet a full noun (as it.is still modified by an adverb "around") Can "a"be omitted here?--No.A restricts the action: (making)one complete turning--a circular course starting from one point and returning to the same point. cf."R"means turning around.(grammatically correct:The -ing phrase is object of the sentence.)The emphasis is on the action,or the concept of turning around (and around and around). 2)"around"adv.esp in AmE,="round"(in BrE) Around can be used in several senses:so as to move in a circle;so as to face the opposite direction,etc. cf.'turnabout (1.42)n.an act of turning in a different or opposite direction (about-face:.in AmE,a noun meaning a complete change to the opposite position,direction or opinion) 3)Also notice:a renewal of war (11.25,26),a resistance to lawful authority (11.27,28)(anact of making war again of resisting...). Without a,the emphasis will be on the concept rather than one such action. 5.(S3.)loaded:a loaded question,a loaded statement 6.(S4.) l)as(a very formal use),does(apro-verb,代动词)