One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.
A、mostseriousdisappointmentsB
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The economy of Dallas, Texas, is strong and diversified .
Thecontrolsofmostmodernairplanescanbeoperatedeithermanuallyorautomatically.
Despite the proliferation of other faster modes of transportation, the railroads remain the largest carriers of intercity freight in the United States.
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.
When carbon is added to iron in the proper proportions , the result is steel.
