I'm very glad I have my own room in my h_爱下问搜题

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问题选择题

I'm very glad I have my own room in my house. I ______ do what I want in it. [ ]

A. must

B. have to

C. need

D. can

答案

答案：D

解答题

直接写出得数． 0.3+0.8=	0.32×0.1=	9.08÷0.01=	0.02×1000=
4.8-1.75=	4.19+1.05=	10-2.45=	12÷16=
2.4+1.9-2.4+1.9=	7×（36-25）=	100-7.33-2.67=	0.33×0.8×0.125=
6.3×1.2÷0.9=	（100+4）×0.25=

填空题

高炉利用系数分为有效容积利用系数和（）利用系数。