什么是坚固性?
参考答案:
骨料在气候、环境变化或其他物理因素作用下抵抗破裂的能力。
移栽植物时,常常在早、晚进行,并去掉几片叶,这是为了( )
A.操作方便
B.降低光合作用
C.降低呼吸作用
D.减少水分蒸发
Soon a team _______ 10 nurses and 3doctors arrived in the area to help the wounded, homeless
in the earthquake without any pay.[ ]
A. consisted of
B. consisting of
C. being made up of
D. making up of