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📄 jh003.sql

📁 在线考试软件。 在线考试软件详细设计说明书：说明在线测试这一模块各部分的功能和结构
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INSERT INTO mn_scores VALUES (242,43,40.000,'s11',1,'2003-01-01 00:00:00',34,174,'A,B,C,D,B,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (243,44,50.000,'s11',1,'2003-02-02 00:00:00',32,177,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (244,44,40.000,'s11',1,'2003-02-02 00:00:00',33,176,'A,空,D,C,B,#T,F,T,T,T,#10,0,10,10,10,');
INSERT INTO mn_scores VALUES (245,44,50.000,'s11',1,'2003-02-02 00:00:00',34,175,'A,B,C,D,A,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (246,45,40.000,'s11',1,'2003-03-03 00:00:00',32,178,'A,D,B,C,B,#T,T,F,T,T,#10,10,0,10,10,');
INSERT INTO mn_scores VALUES (247,45,10.000,'s11',1,'2003-03-03 00:00:00',33,179,'A,B,C,D,C,#T,F,F,F,F,#10,0,0,0,0,');
INSERT INTO mn_scores VALUES (248,45,20.000,'s11',1,'2003-03-03 00:00:00',34,180,'A,B,D,B,C,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (249,43,10.000,'sc001',1,'2003-01-09 00:00:00',32,172,'A,B,C,D,A,#T,F,F,F,F,#10,0,0,0,0,');
INSERT INTO mn_scores VALUES (250,43,20.000,'sc001',1,'2003-01-09 00:00:00',33,173,'A,B,C,D,B,#T,F,F,F,T,#10,0,0,0,10,');
INSERT INTO mn_scores VALUES (251,43,50.000,'sc001',1,'2003-01-09 00:00:00',34,174,'A,B,C,D,A,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (252,43,30.000,'sc002',1,'2003-01-09 00:00:00',32,172,'A,D,D,B,C,#T,T,T,F,F,#10,10,10,0,0,');
INSERT INTO mn_scores VALUES (253,43,30.000,'sc002',1,'2003-01-09 00:00:00',33,173,'B,C,D,C,B,#F,F,T,T,T,#0,0,10,10,10,');
INSERT INTO mn_scores VALUES (254,43,40.000,'sc002',1,'2003-01-09 00:00:00',34,174,'A,A,C,D,A,#T,F,T,T,T,#10,0,10,10,10,');
INSERT INTO mn_scores VALUES (255,43,10.000,'sc003',1,'2003-01-09 00:00:00',32,172,'D,D,C,D,A,#F,T,F,F,F,#0,10,0,0,0,');
INSERT INTO mn_scores VALUES (256,43,10.000,'sc003',1,'2003-01-09 00:00:00',33,173,'D,D,C,D,A,#F,T,F,F,F,#0,10,0,0,0,');
INSERT INTO mn_scores VALUES (257,43,50.000,'sc003',1,'2003-01-09 00:00:00',34,174,'A,B,C,D,A,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (258,43,50.000,'sc004',1,'2003-01-09 00:00:00',32,172,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (259,43,20.000,'sc004',1,'2003-01-09 00:00:00',33,173,'A,D,B,B,A,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (260,43,20.000,'sc004',1,'2003-01-09 00:00:00',34,174,'A,B,A,A,B,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (261,43,30.000,'sc005',1,'2003-01-09 00:00:00',32,172,'A,D,B,B,B,#T,T,F,F,T,#10,10,0,0,10,');
INSERT INTO mn_scores VALUES (262,43,30.000,'sc005',1,'2003-01-09 00:00:00',33,173,'A,D,D,A,A,#T,T,T,F,F,#10,10,10,0,0,');
INSERT INTO mn_scores VALUES (263,43,20.000,'sc005',1,'2003-01-09 00:00:00',34,174,'B,B,B,D,C,#F,T,F,T,F,#0,10,0,10,0,');
INSERT INTO mn_scores VALUES (264,43,50.000,'sc006',1,'2003-01-09 00:00:00',32,172,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (265,43,40.000,'sc006',1,'2003-01-09 00:00:00',33,173,'A,D,C,C,B,#T,T,F,T,T,#10,10,0,10,10,');
INSERT INTO mn_scores VALUES (266,43,50.000,'sc006',1,'2003-01-09 00:00:00',34,174,'A,B,C,D,A,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (267,43,0.000,'sc007',1,'2003-01-09 00:00:00',32,172,'B,B,B,B,C,#F,F,F,F,F,#0,0,0,0,0,');
INSERT INTO mn_scores VALUES (268,43,10.000,'sc007',1,'2003-01-09 00:00:00',33,173,'B,D,B,D,C,#F,T,F,F,F,#0,10,0,0,0,');
INSERT INTO mn_scores VALUES (269,43,30.000,'sc007',1,'2003-01-09 00:00:00',34,174,'A,C,C,D,D,#T,F,T,T,F,#10,0,10,10,0,');
INSERT INTO mn_scores VALUES (270,43,0.000,'sc008',1,'2003-01-09 00:00:00',32,172,'D,B,B,B,D,#F,F,F,F,F,#0,0,0,0,0,');
INSERT INTO mn_scores VALUES (271,43,0.000,'sc008',1,'2003-01-09 00:00:00',33,173,'D,C,C,A,A,#F,F,F,F,F,#0,0,0,0,0,');
INSERT INTO mn_scores VALUES (272,43,20.000,'sc008',1,'2003-01-09 00:00:00',34,174,'A,A,A,A,A,#T,F,F,F,T,#10,0,0,0,10,');
INSERT INTO mn_scores VALUES (273,43,10.000,'sc009',1,'2003-01-09 00:00:00',32,172,'C,C,C,D,B,#F,F,F,F,T,#0,0,0,0,10,');
INSERT INTO mn_scores VALUES (274,43,10.000,'sc009',1,'2003-01-09 00:00:00',33,173,'A,B,C,D,A,#T,F,F,F,F,#10,0,0,0,0,');
INSERT INTO mn_scores VALUES (275,43,50.000,'sc009',1,'2003-01-09 00:00:00',34,174,'A,B,C,D,A,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (276,43,30.000,'sc010',1,'2003-01-09 00:00:00',32,172,'B,D,B,C,B,#F,T,F,T,T,#0,10,0,10,10,');
INSERT INTO mn_scores VALUES (277,43,10.000,'sc010',1,'2003-01-09 00:00:00',33,173,'A,B,C,D,A,#T,F,F,F,F,#10,0,0,0,0,');
INSERT INTO mn_scores VALUES (278,43,20.000,'sc010',1,'2003-01-09 00:00:00',34,174,'A,B,A,A,B,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (279,46,40.000,'s11',1,'2003-04-04 00:00:00',32,181,'A,D,D,C,C,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (280,46,30.000,'s11',1,'2003-04-04 00:00:00',33,182,'A,D,D,A,D,#T,T,T,F,F,#10,10,10,0,0,');
INSERT INTO mn_scores VALUES (281,46,30.000,'s11',1,'2003-04-04 00:00:00',34,183,'A,B,C,C,C,#T,T,T,F,F,#10,10,10,0,0,');
INSERT INTO mn_scores VALUES (282,47,40.000,'s11',1,'2003-05-05 00:00:00',32,186,'A,D,空,C,B,#T,T,F,T,T,#10,10,0,10,10,');
INSERT INTO mn_scores VALUES (283,47,40.000,'s11',1,'2003-05-05 00:00:00',33,185,'B,D,D,C,B,#F,T,T,T,T,#0,10,10,10,10,');
INSERT INTO mn_scores VALUES (284,47,30.000,'s11',1,'2003-05-05 00:00:00',34,184,'A,B,B,B,A,#T,T,F,F,T,#10,10,0,0,10,');
INSERT INTO mn_scores VALUES (299,48,40.000,'s11',1,'2003-06-06 00:00:00',34,189,'A,B,C,D,B,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (297,48,50.000,'s11',1,'2003-06-06 00:00:00',32,187,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (298,48,50.000,'s11',1,'2003-06-06 00:00:00',33,188,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (294,49,50.000,'s11',1,'2003-07-17 00:00:00',32,192,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (295,49,30.000,'s11',1,'2003-07-17 00:00:00',33,191,'A,D,B,C,D,#T,T,F,T,F,#10,10,0,10,0,');
INSERT INTO mn_scores VALUES (296,49,20.000,'s11',1,'2003-07-17 00:00:00',34,190,'A,B,D,C,C,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (300,43,20.000,'stest',1,'2003-01-22 00:00:00',32,172,'A,C,B,B,B,#T,F,F,F,T,#10,0,0,0,10,');
INSERT INTO mn_scores VALUES (301,43,0.000,'stest',1,'2003-01-22 00:00:00',33,173,'B,C,B,B,C,#F,F,F,F,F,#0,0,0,0,0,');
INSERT INTO mn_scores VALUES (302,43,40.000,'stest',1,'2003-01-22 00:00:00',34,174,'A,B,C,D,B,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (303,44,20.000,'stest',1,'2003-02-22 00:00:00',32,177,'A,C,D,B,A,#T,F,T,F,F,#10,0,10,0,0,');
INSERT INTO mn_scores VALUES (304,44,40.000,'stest',1,'2003-02-22 00:00:00',33,176,'A,D,B,C,B,#T,T,F,T,T,#10,10,0,10,10,');
INSERT INTO mn_scores VALUES (305,44,40.000,'stest',1,'2003-02-22 00:00:00',34,175,'A,B,C,D,B,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (306,45,10.000,'stest',1,'2003-03-18 00:00:00',32,178,'B,B,C,D,B,#F,F,F,F,T,#0,0,0,0,10,');
INSERT INTO mn_scores VALUES (307,45,30.000,'stest',1,'2003-03-18 00:00:00',33,179,'A,C,D,B,B,#T,F,T,F,T,#10,0,10,0,10,');
INSERT INTO mn_scores VALUES (308,45,20.000,'stest',1,'2003-03-18 00:00:00',34,180,'A,B,空,C,C,#T,T,F,F,F,#10,10,0,0,0,');
INSERT INTO mn_scores VALUES (309,46,10.000,'stest',1,'2003-04-24 00:00:00',32,181,'B,B,C,B,B,#F,F,F,F,T,#0,0,0,0,10,');
INSERT INTO mn_scores VALUES (310,46,20.000,'stest',1,'2003-04-24 00:00:00',33,182,'B,B,C,C,B,#F,F,F,T,T,#0,0,0,10,10,');
INSERT INTO mn_scores VALUES (311,46,40.000,'stest',1,'2003-04-24 00:00:00',34,183,'A,B,C,D,B,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (312,47,50.000,'stest',1,'2003-05-24 00:00:00',32,186,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (313,47,50.000,'stest',1,'2003-05-24 00:00:00',33,185,'A,D,D,C,B,#T,T,T,T,T,#10,10,10,10,10,');
INSERT INTO mn_scores VALUES (314,47,20.000,'stest',1,'2003-05-24 00:00:00',34,184,'B,C,C,D,B,#F,F,T,T,F,#0,0,10,10,0,');
INSERT INTO mn_scores VALUES (315,48,20.000,'stest',1,'2003-06-10 00:00:00',32,187,'C,C,B,C,B,#F,F,F,T,T,#0,0,0,10,10,');
INSERT INTO mn_scores VALUES (316,48,40.000,'stest',1,'2003-06-10 00:00:00',33,188,'D,D,D,C,B,#F,T,T,T,T,#0,10,10,10,10,');
INSERT INTO mn_scores VALUES (317,48,40.000,'stest',1,'2003-06-10 00:00:00',34,189,'A,B,C,D,C,#T,T,T,T,F,#10,10,10,10,0,');
INSERT INTO mn_scores VALUES (318,49,40.000,'stest',1,'2003-07-08 00:00:00',32,192,'A,B,D,C,B,#T,F,T,T,T,#10,0,10,10,10,');
INSERT INTO mn_scores VALUES (319,49,20.000,'stest',1,'2003-07-08 00:00:00',33,191,'C,C,D,D,B,#F,F,T,F,T,#0,0,10,0,10,');
INSERT INTO mn_scores VALUES (320,49,20.000,'stest',1,'2003-07-08 00:00:00',34,190,'A,B,B,A,D,#T,T,F,F,F,#10,10,0,0,0,');

--
-- Table structure for table 'mn_test'
--

DROP TABLE IF EXISTS mn_test;
CREATE TABLE mn_test (
  id int(4) NOT NULL auto_increment,
  name varchar(100) default NULL,
  grade_note char(3) default NULL,
  begin_date date default NULL,
  end_date date default NULL,
  test_num tinyint(4) default NULL,
  test_paper varchar(255) default NULL,
  status tinyint(4) default NULL,
  subs varchar(255) default NULL,
  sub_num tinyint(4) default NULL,
  testpeople int(11) default '0',
  mntotalmark smallint(6) unsigned default '0',
  PRIMARY KEY  (id)
) TYPE=MyISAM;

--
-- Dumping data for table 'mn_test'
--

INSERT INTO mn_test VALUES (43,'初一2003年1月模拟考试','c1','2003-01-01','2003-01-31',3,'172,173,174',2,'32,33,34',3,12,150);
INSERT INTO mn_test VALUES (44,'初一2003年2月模拟考试','c1','2003-02-01','2003-02-28',3,'175,176,177',2,'34,33,32',3,2,150);
INSERT INTO mn_test VALUES (45,'初一2003年3月模拟考试','c1','2003-03-01','2003-03-31',3,'178,179,180',2,'32,33,34',3,2,150);
INSERT INTO mn_test VALUES (46,'初一2003年4月模拟考试','c1','2003-04-01','2003-04-30',3,'181,182,183',2,'32,33,34',3,2,150);
INSERT INTO mn_test VALUES (47,'初一2003年5月模拟考试','c1','2003-05-01','2003-05-31',3,'184,185,186',2,'34,33,32',3,2,150);
INSERT INTO mn_test VALUES (48,'初一2003年6月模拟考试','c1','2003-06-01','2003-06-30',3,'187,188,189',2,'32,33,34',3,2,150);
INSERT INTO mn_test VALUES (49,'初一2003年7月模拟考试','c1','2003-07-01','2003-07-31',3,'190,191,192',2,'34,33,32',3,2,150);

--
-- Table structure for table 'question'
--

DROP TABLE IF EXISTS question;
CREATE TABLE question (
  ID int(11) unsigned NOT NULL auto_increment,
  QuestID varchar(12) default NULL,
  QuestText text,
  Tip text,
  Mark float(9,3) default NULL,
  Answer text,
  QuestExplain text,
  TeacherID int(6) unsigned default NULL,
  PubDate datetime default NULL,
  Source tinyint(4) unsigned default '0',
  QuestType tinyint(4) default NULL,
  SubjectID smallint(1) default NULL,
  GID tinyint(4) default NULL,
  PreHard char(1) default NULL,
  PostHard char(1) default NULL,
  UsedCount int(11) unsigned default '0',
  CorrectCount int(11) unsigned default '0',
  KnowPointID1 smallint(4) default NULL,
  KnowPointID2 smallint(4) default NULL,
  KnowPointID3 smallint(6) default NULL,
  gradenote char(3) default NULL,
  PRIMARY KEY  (ID),
  UNIQUE KEY ID (ID)
) TYPE=InnoDB;

--
-- Dumping data for table 'question'
--

INSERT INTO question VALUES (487,'','<P>@@1、一支蜡烛燃过一半后，蜡烛的（ ）<BR><input type=\"radio\" name=\"radio487\"  value=\"A\">A、质量减少，密度不变<BR><input type=\"radio\" name=\"radio487\"  value=\"B\">B、质量减少，密度减小<BR><input type=\"radio\" name=\"radio487\"  value=\"C\">C、体积减少，密度减小<BR><input type=\"radio\" name=\"radio487\"  value=\"D\">D、体积、质量和密度都减小<BR>@A@5@B@<BR>','&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。<BR>@@2、通常说“铁比木头重”，下面理解错误的是（ ）<BR>##A、铁的密度比木材密度大<BR>##B、体积相同的铁块与木块相比，铁块质量大<BR>##C、质量相同的铁块与木块相比，铁块的体积小<BR>##D、铁块质量比木块大<BR>　<BR>@D@5@B@<BR>#tip&nbsp;&nbsp; 通常所说的 “重”是指物体的质量。</P>\r\n<P>@@3、因为ρ=m/V，所以（ ）<BR>##A、对于不同的物质，m越大，ρ越大<BR>##B、对于同一物质，ρ与V成反比<BR>##C、同一种物质，ρ与m成正比<BR>##D、以上说法都不正确<BR>　<BR>@D@5@B@<BR>#tip&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。</P>\r\n<P>@@4、由于月球对物体的吸引力只有地球对同一物体吸引力的六分之一，<BR>当宇航员把月球上的一块石头带回地球以后，石头的（ ）<BR>##A、质量变大，密度不变<BR>##B、密度变大，质量不变<BR>##C、重力变大，密度不变<BR>##D、重力不变，密度变大<BR>　<BR>@C@5@B@<BR>#tip&nbsp;&nbsp;&nbsp; 质量和密度都不随物体所在位置的变化而变化。</P>\r\n<P>@@5、有一个铅球，使用多年后磨损得很厉害。下列物理量中没有变化的<BR>是（ ）<BR>##A、质量## B、密度 ##C、球重## D、体积<BR>　<BR>@B@5@B@<BR>#tip&nbsp;&nbsp;&nbsp; 密度与物质的多少没有关系。</P>\r\n<P>@@6、两个铁球的质量相等，但体积不相等。由此可以判定（ ）<BR>##A、两个铁球一定都是实心球<BR>##B、两个铁球一定都是空心球<BR>##C、两个铁球中至少有一个是空心球<BR>##D、不存在这样两个球<BR>　<BR>@C@5@B@<BR>#tip&nbsp;&nbsp;&nbsp; 质量相等的同种物质，体积一定相等</P>\r\n<P>@@7、现有容积为100毫升的小瓶，能否用它装下85克酒精或115克硫酸？<BR>（ ）<BR>##A、都能装下<BR>##B、都装不下<BR>##C、能装85克酒精，装不下115克硫酸<BR>##D、能装下115克硫酸，装不下85克酒精<BR>　<BR>@D@5@B@<BR>#tip&nbsp;&nbsp;&nbsp; 可以利用体积=质量/密度计算出酒精和硫酸的体积。</P>\r\n<P>@@8、有甲乙丙丁四个物体，它们的质量相同，其密度的比ρ甲∶ρ乙∶ρ丙∶ρ丁=2∶1∶3∶5，则其体积最小的物体是（ ）<BR>##A、甲 ##B、乙 ##C、丙 ##D、丁<BR>　@D@5@B@<BR>#tip&nbsp;&nbsp;&nbsp; 质量相同时，密度与体积成反比。</P>\r\n<P>&nbsp;</P>',5.000,'A',NULL,1,'2003-09-26 20:35:55',NULL,3,32,NULL,'A',NULL,2,0,27,-1,-1,'c1');
INSERT INTO question VALUES (488,'','1、一支蜡烛燃过一半后，蜡烛的（ ）<BR><input type=\"radio\" name=\"radio488\"  value=\"A\">A、质量减少，密度不变<BR><input type=\"radio\" name=\"radio488\"  value=\"B\">B、质量减少，密度减小<BR><input type=\"radio\" name=\"radio488\"  value=\"C\">C、体积减少，密度减小<BR><input type=\"radio\" name=\"radio488\"  value=\"D\">D、体积、质量和密度都减小<BR>','&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。<BR>',5.000,'A',NULL,1,'2003-09-26 20:36:51',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (489,'','2、通常说“铁比木头重”，下面理解错误的是（ ）<BR><input type=\"radio\" name=\"radio489\"  value=\"A\">A、铁的密度比木材密度大<BR><input type=\"radio\" name=\"radio489\"  value=\"B\">B、体积相同的铁块与木块相比，铁块质量大<BR><input type=\"radio\" name=\"radio489\"  value=\"C\">C、质量相同的铁块与木块相比，铁块的体积小<BR><input type=\"radio\" name=\"radio489\"  value=\"D\">D、铁块质量比木块大<BR>　<BR>','&nbsp;&nbsp; 通常所说的 “重”是指物体的质量。</P>\r\n<P>',5.000,'D',NULL,1,'2003-09-26 20:36:51',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (490,'','3、因为ρ=m/V，所以（ ）<BR><input type=\"radio\" name=\"radio490\"  value=\"A\">A、对于不同的物质，m越大，ρ越大<BR><input type=\"radio\" name=\"radio490\"  value=\"B\">B、对于同一物质，ρ与V成反比<BR><input type=\"radio\" name=\"radio490\"  value=\"C\">C、同一种物质，ρ与m成正比<BR><input type=\"radio\" name=\"radio490\"  value=\"D\">D、以上说法都不正确<BR>　<BR>','&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。</P>\r\n<P>',5.000,'D',NULL,1,'2003-09-26 20:36:51',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (491,'','4、由于月球对物体的吸引力只有地球对同一物体吸引力的六分之一，<BR>当宇航员把月球上的一块石头带回地球以后，石头的（ ）<BR><input type=\"radio\" name=\"radio491\"  value=\"A\">A、质量变大，密度不变<BR><input type=\"radio\" name=\"radio491\"  value=\"B\">B、密度变大，质量不变<BR><input type=\"radio\" name=\"radio491\"  value=\"C\">C、重力变大，密度不变<BR><input type=\"radio\" name=\"radio491\"  value=\"D\">D、重力不变，密度变大<BR>　<BR>','&nbsp;&nbsp;&nbsp; 质量和密度都不随物体所在位置的变化而变化。</P>\r\n<P>',5.000,'C',NULL,1,'2003-09-26 20:36:52',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (492,'','5、有一个铅球，使用多年后磨损得很厉害。下列物理量中没有变化的<BR>是（ ）<BR><input type=\"radio\" name=\"radio492\"  value=\"A\">A、质量<input type=\"radio\" name=\"radio492\"  value=\"B\"> B、密度 <input type=\"radio\" name=\"radio492\"  value=\"C\">C、球重<input type=\"radio\" name=\"radio492\"  value=\"D\"> D、体积<BR>　<BR>','&nbsp;&nbsp;&nbsp; 密度与物质的多少没有关系。</P>\r\n<P>',5.000,'B',NULL,1,'2003-09-26 20:36:52',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (493,'','6、两个铁球的质量相等，但体积不相等。由此可以判定（ ）<BR><input type=\"radio\" name=\"radio493\"  value=\"A\">A、两个铁球一定都是实心球<BR><input type=\"radio\" name=\"radio493\"  value=\"B\">B、两个铁球一定都是空心球<BR><input type=\"radio\" name=\"radio493\"  value=\"C\">C、两个铁球中至少有一个是空心球<BR><input type=\"radio\" name=\"radio493\"  value=\"D\">D、不存在这样两个球<BR>　<BR>','&nbsp;&nbsp;&nbsp; 质量相等的同种物质，体积一定相等</P>\r\n<P>',5.000,'C',NULL,1,'2003-09-26 20:36:52',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (494,'','7、现有容积为100毫升的小瓶，能否用它装下85克酒精或115克硫酸？<BR>（ ）<BR><input type=\"radio\" name=\"radio494\"  value=\"A\">A、都能装下<BR><input type=\"radio\" name=\"radio494\"  value=\"B\">B、都装不下<BR><input type=\"radio\" name=\"radio494\"  value=\"C\">C、能装85克酒精，装不下115克硫酸<BR><input type=\"radio\" name=\"radio494\"  value=\"D\">D、能装下115克硫酸，装不下85克酒精<BR>　<BR>','&nbsp;&nbsp;&nbsp; 可以利用体积=质量/密度计算出酒精和硫酸的体积。</P>\r\n<P>',5.000,'D',NULL,1,'2003-09-26 20:36:52',NULL,3,32,NULL,'B',NULL,1,0,27,-1,-1,'c1');
INSERT INTO question VALUES (495,'','8、有甲乙丙丁四个物体，它们的质量相同，其密度的比ρ甲∶ρ乙∶ρ丙∶ρ丁=2∶1∶3∶5，则其体积最小的物体是（ ）<BR><input type=\"radio\" name=\"radio495\"  value=\"A\">A、甲 <input type=\"radio\" name=\"radio495\"  value=\"B\">B、乙 <input type=\"radio\" name=\"radio495\"  value=\"C\">C、丙 <input type=\"radio\" name=\"radio495\"  value=\"D\">D、丁<BR>　','&nbsp;&nbsp;&nbsp; 质量相同时，密度与体积成反比。</P>\r\n<P>&nbsp;</P>',5.000,'D',NULL,1,'2003-09-26 20:36:52',NULL,3,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (496,'','1、一支蜡烛燃过一半后，蜡烛的（ ）<BR><input type=\"radio\" name=\"radio496\"  value=\"A\">A、质量减少，密度不变<BR><input type=\"radio\" name=\"radio496\"  value=\"B\">B、质量减少，密度减小<BR><input type=\"radio\" name=\"radio496\"  value=\"C\">C、体积减少，密度减小<BR><input type=\"radio\" name=\"radio496\"  value=\"D\">D、体积、质量和密度都减小<BR>@A@5@B@<BR>','&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。',5.000,'A',NULL,1,'2003-09-26 20:45:57',NULL,1,32,NULL,'A',NULL,1,0,27,-1,-1,'c1');
INSERT INTO question VALUES (497,'','1、一支蜡烛燃过一半后，蜡烛的（ ）<BR><input type=\"radio\" name=\"radio497\"  value=\"A\">A、质量减少，密度不变<BR><input type=\"radio\" name=\"radio497\"  value=\"B\">B、质量减少，密度减小<BR><input type=\"radio\" name=\"radio497\"  value=\"C\">C、体积减少，密度减小<BR><input type=\"radio\" name=\"radio497\"  value=\"D\">D、体积、质量和密度都减小<BR>','&nbsp;&nbsp; 密度是物质本身的属性，不随质量和体积的改变而改变。<BR>',5.000,'A',NULL,1,'2003-09-26 20:51:03',NULL,1,32,NULL,'B',NULL,0,0,27,-1,-1,'c1');
INSERT INTO question VALUES (498,'','2、通常说“铁比木头重”，下面理解错误的是（ ）<BR><input type=\"radio\" name=\"radio498\"  value=\"A\">A、铁的密度比木材密度大<BR><input type=\"radio\" name=\"radio498\"  value=\"B\">B、体积相同的铁块与木块相比，铁块质量大<BR><input type=\"radio\" name=\"radio498\"  value=\"C\">C、质量相同的铁块与木块相比，铁块的体积小<BR><input type=\"radio\" name=\"radio498\"  value=\"D\">D、铁块质量比木块大<BR>　<BR>','&nbsp;&nbsp; 通常所说的 “重”是指物体的质量。</P>\r\n<P>',5.000,'D',NULL,1,'2003-09-26 20:51:03',NUL
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