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1、河北省秦皇岛海港区2014届九年级一模数学试题（扫描版）forthequalityofreviewsandreview.Article26threview(a)theCCRAcompliance,whethercopiesofchecks;(B)whetherdoubleinvestigation;(C)submissionofprogramcompliance,investigationorexaminationofwhetherviewsareclear;(D)theborrower,guarantorloans9forthequalityofre
2、viewsandreview.Article26threview(a)theCCRAcompliance,whethercopiesofchecks;(B)whetherdoubleinvestigation;(C)submissionofprogramcompliance,investigationorexaminationofwhetherviewsareclear;(D)theborrower,guarantorloans9forthequalityofreviewsandreview.Article26threview(a)theCCRAcom
3、pliance,whethercopiesofchecks;(B)whetherdoubleinvestigation;(C)submissionofprogramcompliance,investigationorexaminationofwhetherviewsareclear;(D)theborrower,guarantorloans9forthequalityofreviewsandreview.Article26threview(a)theCCRAcompliance,whethercopiesofchecks;(B)whetherdoubl
4、einvestigation;(C)submissionofprogramcompliance,investigationorexaminationofwhetherviewsareclear;(D)theborrower,guarantorloans9forthequalityofreviewsandreview.Article26threview(a)theCCRAcompliance,whethercopiesofchecks;(B)whetherdoubleinvestigation;(C)submissionofprogramcomplian
5、ce,investigationorexaminationofwhetherviewsareclear;(D)theborrower,guarantorloans9海港区2014年初中毕业生升学模拟考试（一）数学参考答案一、选择题（本大题共12个小题.1-6小题，每小题2分，7-16小题，每小题3分，共42分）题号12345678答案BAADCDBC题号910111213141516答案ACBDCBDB二、填空题（本大题共4小题，每小题3分，共12分.）17．18.a,c,AB19.5+20.三、解答题（本大题共6个小题，共66分）21.（本小题满分9
6、分）（1）4*5=4+5=（3分）（2）（5分）化简得方程两边都乘以x，得x+2=3x（7分）解得x=1（8分）经检验x=1是原方程的解（9分）forthequalityofreviewsandreview.Article26threview(a)theCCRAcompliance,whethercopiesofchecks;(B)whetherdoubleinvestigation;(C)submissionofprogramcompliance,investigationorexaminationofwhetherviewsareclear;(D)
7、theborrower,guarantorloans922.（本小题满分10分）（1）图略，m=20（6分）（2）1150人（8分）（3）（10分）（化简）23.（本小题满分10分）（1）（4，b+1）（4分）（2）（7分）（3）0≤b≤4（10分）24.（本小题满分11分）（1）DE=DF（4分）(2)∵∠ACB=90°，AC=BC，CD⊥AB∴DA=DB=DC∠ABC=∠BAC=∠ACD=∠BCD=45°∴∠DAE=∠DCF=135°由平移可知CF=EG∴△DAE≌△DCF∴DE=DF∠ADE=∠CDF∴∠FDE=∠CDA=90°（9分）（3）∠F
8、DE=90°FD=DE（11分）25.（本小题满分12分）（1）m=－2t+96（3分）for
