33.What is essential in making a modem car tougher to steal?
A) A coded ignition key.
B) A unique ID card.
C) A special cellphone signal.
D) A GPS satellite positioning receiver.
34.Why does the tracking system set a 100-metre minimum before sending an alarm to the operations centre?
A) To leave time for the operations centre to give an alarm.
B) To keep police informed of the cars movements.
C) To give the driver time to contact the operations centre.
D) To allow for possible errors in the GPS system.
35.What will the operations centre do first after receiving an alarm?
A) Start the tracking system.
B) Contact the car owner.
C) Block the car engine.
D) Locate the missing car.
Passage Four
Psychiatrists (精神病专家)who work with older parents say that maturity can be an asset in child rearing-older parents are more thoughtful, use less physical discipline and spend more time with their children. But raising kids takes money and energy. Many older parents find themselves balancing their limited financial resources, declining energy and failing health against the growing demands of an active child. Dying and leaving young children is probably the older parentsbiggest, and often unspoken, fear. Having late-life children, says an economics professor, often means parents, particularly fathers, end up retiring much later. For many, retirement becomes an unobtainable dream.
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