平原地区适宜发展林牧业,而山地丘陵地区适宜发展种植业。 [ ]
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一个底面积为25cm2的圆柱形容器放在水平桌面上,高为30cm,重为4N.向容器中倒入500mL的某种液体后,容器和液体共重7.92N.求:
(1)液体的密度;
(2)液体对容器底的压强;
(3)容器对桌面的压强.
Sean's strong love for his country is ________ in his recently published poems.[ ]
A.relieved
B.reflected
C.responded
D.recovered