单项选择题

Which of the following statements best expresses the main idea of the passage

A．Americans could not function well without their modern labour-saving machines.
B．Doing repairs on modern appliances takes too long.
C．Despite all their modern conveniences, Americans feel less relaxed than ever.
D．Technology has brought many useful gadgets to contemporary livin
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单项选择题
What kind of people are most likely to be recruited for criminal activity
A．People with an antisocial attitude in a low standard of living.
B．People with an arrest record and an antisocial attitude.
C．People with antisocial attitude and behaviour.
D．People without regular occupation and self-respect.
单项选择题
According to the passage, we can be sure that______.
A．organised crimes rampaged in the US during the era of Prohibition
B．organised crime can profit more from handling and reselling of stolen goods than from trade in pornographic literature
C．special measures have been taken to crack down any form of illegitimate activities
D．all of the above
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