问题
多项选择题
长大、笨重货物运输时应掌握货物的（），以便确定装载方法。
A.形状体积；
B.质量；
C.重心；
D.性质。
答案
参考答案：A, B, C
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长大、笨重货物运输时应掌握货物的（），以便确定装载方法。
A.形状体积；
B.质量；
C.重心；
D.性质。
参考答案：A, B, C
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| There is nobody in the world the same 1 you; you are unique (独特唯一的)! Everybody is 2 from everyone else. That is good! 3 it makes the world (世界) an interesting place. There are people taller 4 you, and shorter than you. Maybe your hair is the same color as your friend's hair, but maybe it is longer than 5 . Another difference is your hair may be straight, hers may be curly. I am sure you have some friends who are 6 than you. And you also have some friends, they are as 7 at sports as you. But there are also people around you who are not good at some things. 8 does your best friend look like? Do you both 9 to finish your homework at school? Do you both want to wear the same clothes every day? I think 10 some ways you are the same, but in many other ways you are different. So say loudly to the world, "I am who I am-I'm unique!" | ||||
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