单项选择题As an increasing number of traffic regulation schemes are devised, a ______ driver finds himself diverted and forced into one-way systems which cause even greater delays than the traffic jams they are supposed to prevent.

单项选择题This process of elaborating a concept and moving toward empirical indicators is the crucial step in ______ analysis.

单项选择题This latest outbreak of violence is a clear ______ of discontent in the city.

单项选择题The results showed that attractive males utterly defeated unattractive men, but the women who had been ranked most attractive ______ received the fewest votes.

单项选择题The workers' promised wage increase is being ______ while it is examined by the government to see if it is greater than the law allows.