七年级上册科学试卷(附答案)

1201002,,501.0.1100A.B.C.D.2.740825,45A.B.C.D.3.A.B.C.D.4.A.1.8=1.81000=1800B.1.8=1.81000=1800C.1.8=1.81000=1800D.1.8=1.81000=18005.A.B.C.D.6.A.B.C.D.7.100A.B.C.D.8.13260A.0.05B.0.005C.0.1D.0.19.C.BCD.ABCA.B.C.10.D.A.B.C.11.C.D.A.B.C.12.A.B.C.D.13.A.B.C.D.14.A.B.C.D.15.（）ABCD16.17.502014（）A.66B.70C.74D.7818.A.38.7,B.C.,D.19.A.B.C.D.20.（）A.B.C.D.21.A.B.C.D.22.---A.AB.BC.CD.D23.C.BCD.ABC159A.6B.6C.6D.24.17cm,32cm27cmA.540CB1030CC.640CD.800C25.16A.2B.3C.4D.526-30131-3624026.4.5________11013.34__________27.,__28._29.30.__1040__31.______________________________________________________32.___________33.__34._____________________1_2____235._____________a（b）a__（b）__36.______18__374124263037.?38.//A2003B2007C3005D4005E40051___2___39.830230212615042063451474004913341363150121066859880032931610145500483327502570085741001225040821240.?5112345012025109810841.1242.2,,5012345678910AABDDBCDBA11121314151617181920CDADAAACBD2122232425DBBDB26-30131-3624026.LS27.28.29.30.31.32.33.1234.1235.36.1.801.0374124263037.120303038.12DE139.2240.3124411242.123SR=S/2π4h1（5）h26V=πR2h+h=S2h+h/4π1212