Based on text CB1A5AAA, judge the following items.
The expression “neat twist” (ℓ.9) refers to the irony of cyber-café patrons becoming victims of their own security consciousness.
The author of the text suggests that the old-fashioned way of sending messages on postcards can be as dangerous as sending them through cyber-café computers.
The author is critical of people who should be, but are not, thankful for the work intelligence and security agents do.
The words “unaware” (ℓ.12) and “wary” (ℓ.16) are related in terms of meaning, being both connected to the notion of caution and attention.
Based on text CB1A5BBB, judge the following items.
In the fragment “on becoming director of the American National Security Agency” (ℓ. 9 and 10), the preposition “on” refers to a period when the action is taking place.