单项选择题

A．A speed limit.
B．A speed-check.
C．A distance measurement.
D．A traffic-sign.
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单项选择题
The Europeans made better chocolates than the Indians.
A．Y
B．N
C．NG
单项选择题
A．To restore the normal production of the oil wells.B．To estimate the losses caused by the rims.C．To remove the oil left in the desert.D．To use the oil left in the oil lakes.
A．To restore the normal production of the oil wells.
B．To estimate the losses caused by the rims.
C．To remove the oil left in the desert.
D．To use the oil left in the oil lakes.
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