Students don't go to school _____ Saturdays. They do their homework _____ home. [ ]

A. in; at

B. on; at

C. in; for

D. on; from

进口的压裂车组一般在液力端吸入口装有吸入稳压器，如LT416.9型压裂泵吸入稳压器内应充（）压力的氮气。

A、0.10MPa

B、0.15MPa

C、0.2MPa

D、0.25MPa