读数值为0.05mm的游标卡尺,其读数原理是尺身上20mm等于游标19格刻线宽度。( )
参考答案:错
My brother finished _____ the storybook yesterday. He returned it to the library. [ ]
A. to write
B. writing
C. to read
D. reading
温脾汤的组成药物中不含
A.白术B.附子C.人参D.芒硝E.当归