单项选择题


How far do the insects spread northward

A．To Michigan.
B．To China.
C．To Maryland.
D．To Canada.
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单项选择题
According to the speaker，what is the evolution of London’s public transport
A．From tram to trolleybus to Routemaster.
B．From trolleybus to Routemaster to red bus.
C．From trolleybus to Routemaster to modern bus.
D．From Routemaster to trolley to modern bus.
单项选择题
According to Brickland, parents nowadays have changed their______.
A．standards of the children’s proper dressing
B．worry about the children’s personal safety
C．ways to communicate with children
D．confidence in the children’s ability
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