{{B}}pAssAgE two quEstions 19 to 21 ArE BAsED on thE pAssAgE you hAvE just hEArD、{{/B}}

A．thE wEAthEr.
B．thE EConomiC stAtE.
C．loCAl Customs AnD wAys oF liFE.
D．thE tEChniCAl lEvEl,