<div style="layout-grid:; "><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; "><font class="Apple-style-span" color="#FF0000">深圳市罗湖区2012-2013学年六年级科学经济民办供题考答案及评分标准</font></span></div><br><span style=" font-weight:bold; ">一、单项选择题：</span><span>每个选项3分共42分</span><br> <table width="100%"><tbody><tr><td><br>题号<br></td><td><br>1<br></td><td><br>2<br></td><td><br>3<br></td><td colspan="3"><br>4<br></td><td><br>5<br></td><td><br>6<br></td><td><br>7<br></td><td><br>8<br></td><td><br>9<br></td><td><br>10<br></td><td><br>11<br></td><td><br>12<br></td></tr><tr><td><br>答案<br></td><td><br>B<br></td><td><br>C<br></td><td><br>D<br></td><td><br>D<br></td><td><br>C<br></td><td><br>A<br></td><td><br>A<br></td><td><br>D<br></td><td><br>C<br></td><td><br>A<br></td><td><br>D<br></td><td><br>C<br></td><td><br>B<br></td><td><br>A</td></tr></tbody></table><br><span style=" font-weight:bold; ">二、判断题：</span><span>每题2分共20分</span><br><br><span>1、×&nbsp;&nbsp;2、×&nbsp;&nbsp;3、√&nbsp;&nbsp;4、×&nbsp;&nbsp;5、√&nbsp;&nbsp;6、√&nbsp;&nbsp;7、√&nbsp;&nbsp;&nbsp;8、√&nbsp;&nbsp;&nbsp;9、√&nbsp;&nbsp;10、√</span><br><br><span style=" font-weight:bold; ">三、连线题：</span><span>每连对一处得2分共12分</span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0115/201311521242.jpg?m=0.912020021583885"><br><br><span style=" font-weight:bold; ">四、实验题：</span><span>（26分）</span><span style=" font-weight:bold; "></span><br><br><span>1、任选两项，对一项得4分共8分</span><br><br><span>A4&nbsp;&nbsp;/&nbsp;&nbsp;A2B1&nbsp;&nbsp;/&nbsp;B2&nbsp;&nbsp;&nbsp;/&nbsp;&nbsp;D1&nbsp;&nbsp;&nbsp;/&nbsp;&nbsp;A1C1（字母表示右边第几格、数字表示钩码数量）</span><br><br><span>2、每空2分共10分</span><br><br><span>（1）</span><span>有关&nbsp;（2）有关&nbsp;&nbsp;（3）大/厚&nbsp;&nbsp;&nbsp;大/宽&nbsp;&nbsp;（4）形状</span><span>或者其他可能的答案&nbsp;&nbsp;&nbsp;</span><br><br><span>3、共8分</span><br><br><span>加强电流（或增强电压或增加干电池数量）（2分）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;圈数&nbsp;（2分）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;加强电流（或增强电压）能增强电磁铁的磁性（4分）</span><br><br><br></div>