According to the text, it can be deduced that
"enormous" (L.9) is the same as large.
In the text,
“validity” (l.7) means valuable.
In the text,
“undertaken” (l.18) is the same as carried out.
In the text,
“procedures” (l.24) means a set of actions which is the accepted way of doing something.
In the text,
the word "mayor" (L.8) is synonymous with representative.
In the text,
the word "critical" (L.49) can be correctly replaced by extremely important.
In the text, "much" (L.20) is the opposite of 
In the text,
"heavily" (L.1) is the opposite of lightly.
the picture and text as reference, judge the following items.
"useless" (L.28) means having no purpose
the picture and text as reference, judge the following items.
"requiring" (L.44) can be correctly replaced by which require without any change in meaning.
