WhichofthefollowingisNOToneofthemainsourcesofnewwordsinthepresent-dayEnglishvocabulary?
A、TherapiddevelopmentofmodernscienceandtechnologyC
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Towriteuphisnovel,Johnislookingforanenvironmentfree________outsidedistraction.
Whichofthefollowingispartiallyconverted?
Policeare________thedisappearanceoftwochildren.
Fromtheviewpointofwordformation,theword“smog”isa______.
Theprofessorworkedfor7hoursata________.