27.The army acts only with the_____of Parliament.A.sanitation B.selectionC.sanction D.subjection答案C。该句意思是"有了国会的批准,军队才能行动。"因此C为正确答案。sanction意为"批准"。如:The minister actswith the sanction of the president.部长按照总统的批准行事。A项sanitation意为"卫生、环境"。B项selection意为"选择"。D项subjection意为"征服、屈从"。28.Hot metal_____as it grows cooler.