题目内容

someone who studies or teaches linguistics.: ()

A. lingual
B. linguist
C. lingu

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inflammation of the skin: ()

A. dermatitis
B. dermatology
C. dermatic

an instrument for examining the interior of the eye : ()

A. ophthalmoplegia
B. ophthalmoscopy
C. ophthalmoscope

an inflammation of the urinary bladder: ()

A. cystinosis
B. cystitis
C. cystinuria

杆件AB段发生什么变形。

A. 剪切和挤压
B. 扭转
C. 弯曲
D. 拉伸

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