单项选择题

A．It monitors the signals transmitted from the driver’s brain.
B．It can measure the driver’s alcohol level in the blood.
C．It can quicken the driver’s response to emergencies.
D．It bases its analysis on the driver’s heart beat.
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单项选择题
A．About 100 years ago.B．About 200 years ago.C．In Napoleon’ s time.D．Quite recently.
A．About 100 years ago.
B．About 200 years ago.
C．In Napoleon’ s time.
D．Quite recently.
单项选择题
A．Because of the TV programs.B．Because of file pace of modem life.C．Because of the wide use of household appliances.D．Because of the popularity of fast food.
A．Because of the TV programs.
B．Because of file pace of modem life.
C．Because of the wide use of household appliances.
D．Because of the popularity of fast food.
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