《压强和浮力》单元测试题四（参考答案）

压强和浮力单元测试题四（参考答案）DIV.MyFav_1324344793208 P.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1324344793208 LI.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1324344793208 DIV.MsoNormalTEXT-JUSTIFY: inter-ideograph; FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; TEXT-ALIGN: justifyDIV.MyFav_1324344793208 P.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1324344793208 LI.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1324344793208 DIV.MsoHeaderBORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; FONT-SIZE: 9pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium none; LAYOUT-GRID-MODE: char; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; FONT-FAMILY: Times New Roman; TEXT-ALIGN: centerDIV.MyFav_1324344793208 P.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; FONT-FAMILY: Times New RomanDIV.MyFav_1324344793208 LI.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; FONT-FAMILY: Times New RomanDIV.MyFav_1324344793208 DIV.MsoFooterFONT-SIZE: 9pt; LAYOUT-GRID-MODE: char; FONT-FAMILY: Times New RomanDIV.MyFav_1324344793208 A:linkCOLOR: blue; TEXT-DECORATION: underlineDIV.MyFav_1324344793208 SPAN.MsoHyperlinkCOLOR: blue; TEXT-DECORATION: underlineDIV.MyFav_1324344793208 A:visitedCOLOR: purple; TEXT-DECORATION: underlineDIV.MyFav_1324344793208 SPAN.MsoHyperlinkFollowedCOLOR: purple; TEXT-DECORATION: underlineDIV.MyFav_1324344793208 DIV.Section1page: Section1一、选择题1A 2B 3D 4C 5C 6C 7B 8D 9A 10B 11B 12C 13B 14C 15D 16D 17C 18C 19C 20A 21C二、填空题22不变，不变； 23空心的，轮船 ； 24等于； 25相等，相等； 26甲，丙，相等，相等；27变大，变小； 2812.5 ； 29减小压力，增加受力面积； 308.76107牛；311.5103立方分米，0.67103Kg/m3； 32压力，每平方米面积上受到的压力是20牛； 33更大，减小； 34压强。三、实验题35（1）在量筒中放入适量的水，读出体积V1；（2）用细线拴住油泥，浸没在量桶中，读出体积V2；（3）再把油泥做成空心，使其漂