医护人员用体温计给病人测量体温时,体温计中的水银在测量过程中始终不变的是( )
A:质量
B:体积
C:密度
D:温度
宋朝的____写了著名的《四时田园杂兴》,他被誉为“南宋四大家”之一。
成龙曾在一部动作影片中扮演一位勇敢的刑警,为了抓住逃跑的抢劫犯,他从一座约20m高的立交桥上竖直跳下去,落在一辆正从桥下正下方匀速经过的装满沙土的长卡车上,若卡车长12m,车速为4m/s,成龙刚跳下时卡车头恰好从桥下露出,试估计成龙能否安全落在卡车里?
根据句子选择正确的图片
A. - When is the English test? -It's on Nov. 2nd.
B. Miss Chen's birthday is on Sept. 2nd.
C. Our singing contest is on Jul. 1st.
D. Is maths test on Dec. 4th?
E. - When is school trip? - It's on May 5th.
____