观察下列球的排列规律(其中●是实心球,○是空心球):●○○●●○○○○○●○○●●○○○○○●○○●●○○○○○●…从第1个球起到第2010个球止,共有实心球( )个.
603
根据汉语意思用短语的适当形式填空(每空一分,共5分)
小题1:The first thing I _______________________(意识到,知道)is all the vivid colour surrounding me.
小题2:She shouted, “___________ me __________(别管,别惹)” and ran to her bed.
小题3:As she _______________________(转向,回转), there stand her two daughters.
小题4: My father always ________________________(反对)my view and thinks I will fail.
小题5:A little Tom _________________________(匆匆看一遍)the story and then begins to do his homework.
热力管道在低支架敷设时,管道保温层外壳距地面的净高不宜小于()。
A.0.2 m
B.0.3 m
C.0.4 m
D.0.5 m