The word “minister” originally meant “a servant”, but now has changed to“a head of a ministry ”. This process of meaning change is called ______ .
A、extensionB
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______ofmeaningisaprocessbywhichawordthatoriginallyhadaspecializedmeaninghasnowbecomegeneralized.
Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
WhichofthefollowingisNOToneofthecharacteristicsofidioms?
Onecanfigureoutthemeaningof“airmail”tobe“mailbyair”byits______.
Moderneconomics________thecountry’sagriculturalpolicies.