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1现有一把刻度尺、一根细线和足量的水,如何测出一个带有盖的薄壁饮料瓶(如图所示)的容积?
现有一把刻度尺、一根细线和足量的水,如何测出一个带有盖的薄壁饮料瓶(如图所示)的容积?
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2What did the lady find when she went through the rooms?A.The things she possessed had been
What did the lady find when she went through the rooms?
A.The things she possessed had been searched inside out.
B.All the rooms had been covered with broken pieces.
C.Some of the rooms were in a mess.
D.Some of the rooms had not been touched.
请帮忙给出正确答案和分析,谢谢!
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3一块正方形泡沫 一把刻度尺 适量的水 测金属块质量大小给你一块边长为a正方形泡沫(密度比金属块小很多
一块正方形泡沫 一把刻度尺 适量的水 测金属块质量大小给你一块边长为a正方形泡沫(密度比金属块小很多)、一把刻度尺、适量的水.请设计一个能测量金属块质量大小的装置.并请写出测量的原理和最后显示金属块质量大小的表达式.P.S.有图最好.哈.
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4Whom did the lady first think of to help her out?A.Her neighbors.B.The porter.C.The police
Whom did the lady first think of to help her out?
A.Her neighbors.
B.The porter.
C.The policeman.
D.The passer-by.
请帮忙给出正确答案和分析,谢谢!
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5八年级下册物理;一只瓶子装满了水,总重为20N,把它放在面积为1.2平方米的水平桌面上,一直平地的面
八年级下册物理;一只瓶子装满了水,总重为20N,把它放在面积为1.2平方米的水平桌面上,一直平地的面积是25一只瓶子装满了水,总重为20N,把它放在面积为1.2平方米的水平桌面上,一直平地的面积是25平方厘米,求瓶子对桌面的压强,写成已知求解答形式哦
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6如何用水和玻璃管测大气压强?与托里拆利实验不一样的.,
如何用水和玻璃管测大气压强?与托里拆利实验不一样的.,
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7多发气血两虚病变的两脏是()A、心与肺B、心与肾C、心与脾D、脾与肝E、肺与肝
多发气血两虚病变的两脏是()
A、心与肺
B、心与肾
C、心与脾
D、脾与肝
E、肺与肝
请帮忙给出正确答案和分析,谢谢!
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8多少只550ml的塑料瓶可以做一只能载人的筏子啊?
多少只550ml的塑料瓶可以做一只能载人的筏子啊?
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9()亦称波斯羔皮,是羔羊出生后3天内宰剥皮所得的羔皮。
()亦称波斯羔皮,是羔羊出生后3天内宰剥皮所得的羔皮。
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10纯净水塑料瓶底A2是什么意思?
纯净水塑料瓶底A2是什么意思?
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