Which of the following is NOT one of the main sources of new words in the present-day English vocabulary?
A、TherapiddevelopmentofmodernscienceandtechnologyC
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Fromtheviewpointofwordformation,theword“smog”isa______.
WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?
He________hispoorjudgment________JetLag.
—Davidhasmadegreatprogressrecently.—_______，and_______.
WhichofthefollowingisNOToneofthecharacteristicsofidioms?
