单项选择题
A.English B.Spanish C.Indian D.Chinese
Lying under the skull, the human brain contains an aver...
单项选择题Lying under the skull, the human brain contains an average of the ten billion nerve cells called（）.
A.neurons B.nerve system C.nerves D.cerebral cortex
（）refers to a word or expression that is prohibited by ...
单项选择题（）refers to a word or expression that is prohibited by the “polite” society from general use.
A.Linguistic taboo B.Euphemism C.Address term D.Slang
The smallest meaningful unit of language is（）.A.rootB.a...
单项选择题The smallest meaningful unit of language is（）.
A.root B.affix C.stem D.morpheme
