Not only should you get used ______ under difficult conditions but you also you pay more attention _

题干

Not only should you get used ______ under difficult conditions but you also you pay more attention ______ your work well.

A：to work, to do

B：to working, to doing

C：to work, to doing

D：to working, to do

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B

小红在“测定液体密度”的实验时，将托盘天平放在水平桌面上，把游码移到标尺左端的零刻度线处，观察到指针的明显偏向右侧，此时她应进行的操作是____；下表为实验中记录的数据，根据表中数据可得液体密度是____。容器的质量为____。