A:有利于官僚政治的建立
B:强化了尚书省的决策权
C:消弱了至高无上的皇权
D:推动了中央决策合理化
Today is Saturday. The weather is warm and sunny. Bob and Jack go to the park. There are many people there. The girl under a big tree is reading a book. Two boys are playing football on the grass. The girl in a red dress is riding a bike. Two women are talking. The man beside these women is playing with a baby. Bob and Jack are beside the river. They are sitting on the chair and drawing pictures.
某汽车启动和到达的时刻及对应的里程表(表盘指示为千米数)示数如图所示,则汽车行驶的平均速度是 ____ km/h.
有一批货物,上午运走30%,下午运走的比余下的 27 多5吨,最后还剩下15吨没有运完,这些货物共有多少吨?