人教版小学六年级数学下学期期末选择专项练习题

<div>1、用-a表示的数一定是…………………………………………( &nbsp; &nbsp;)</div><div><br></div><div>A. 负数 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;正数 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C 正数或负数 &nbsp; &nbsp; &nbsp; &nbsp; D 任何一个数</div><div><br></div><div>2、下列说法中正确的是…………………………………………( &nbsp; &nbsp;)</div><div><br></div><div>(1)正数和负数统称为有理数;</div><div><br></div><div>(2)如果5米表示向北前进了5米,那么-10米表示向东前进了10米;</div><div><br></div><div>(3)零和正数统称为非负数; &nbsp; (4)小数都是有理数</div><div><br></div><div>A &nbsp;1个 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;2个 &nbsp; &nbsp; &nbsp; &nbsp; C &nbsp; 3个 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; D &nbsp; 4个</div><div><br></div><div>3、下列说法正确的是………………………………( &nbsp; &nbsp;)</div><div><br></div><div>A 数轴是一条规定了原点、正方向和长度单位的射线;</div><div><br></div><div>B 离原点近的点所对应的有理数小;</div><div><br></div><div>C 任意有理数都可以用数轴上的点表示;</div><div><br></div><div>D 正有理数所表示的点都在原点的左边。</div><div><br></div><div>4、下列各数中,是正数的有………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815242.jpg?m=0.8736004512757063"><br></div><div><br></div><div>A 3个 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B 4个 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; C 5个 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;6个</div><div><br></div><div>5、下列说法正确的是……………………………………( &nbsp; &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;-a的绝对值等于a;</div><div><br></div><div>B 若两个数的绝对值相等,则这两个数相等;</div><div><br></div><div>C 若两个数的绝对值相等,则这两个数互为相反数;</div><div><br></div><div>D 一个有理数的绝对值不小于它本身</div><div><br></div><div>6、如果两个数的和为正数,那么…………………………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;这两个加数都是正数; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B &nbsp;一个数为正,另一个为0;</div><div><br></div><div>C &nbsp;两个数一正一负,且正数绝对值大;D &nbsp;两个加数中至少有一个为正数。</div><div><br></div><div>7、绝对值大于2且小于5的所有整数的和是………………………( &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;-7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; C &nbsp;0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;5</div><div><br></div><div>8、已知a&gt;0,a+b&lt;0,那么a,b,a+b中最小的数是……………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;a &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;b &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C &nbsp;a+b &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;无法确定</div><div><br></div><div>9、若两个有理数之积为0,则下列说法中正确的是………………( &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;两个有理数都是0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</div><div><br></div><div>B &nbsp;有一个有理数是0 &nbsp;</div><div><br></div><div>C &nbsp;至少有一个有理数是0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</div><div><br></div><div>D &nbsp;以上结论均不对</div><div><br></div><div>10、下列说法中正确的是…………………………( &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;几个有理数相乘,当因数有奇数个时,积为负;</div><div><br></div><div>B &nbsp;几个有理数相乘,当正因数有奇数个时,积为负;</div><div><br></div><div>C &nbsp;几个有理数相乘,当负因数有奇数个时,积为负;</div><div><br></div><div>D &nbsp;几个有理数相乘,当积为负数时,负因数有奇数个。</div><div><br></div><div>11、下列结论中正确的是………………………( &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152512.jpg?m=0.3898078608326614"><br></div><div><br></div><div>C &nbsp;-1乘以一个数得到这个数的相反数 &nbsp; &nbsp;D 几个有理数相乘,同号得正</div><div><br></div><div>12、如果两个有理数的商等于0,则………………………… ( &nbsp; )&nbsp;</div><div><br></div><div>A &nbsp;两个数中有一个数为0; &nbsp; &nbsp; &nbsp;&nbsp;</div><div><br></div><div>B &nbsp;两数都为0;</div><div><br></div><div>C &nbsp;被除数为0,除数不为0; &nbsp; &nbsp; &nbsp;</div><div><br></div><div>D 被除数不为0,除数为0.</div><div><br></div><div>13、下列运算错误的是………………………………( &nbsp; &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152554.jpg?m=0.046917549101635814"><br></div><div><br></div><div>14、表示……………………………………( &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;4的三次方 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; B &nbsp;-4的三次方的相反数</div><div><br></div><div>C &nbsp;4的三次方的相反数 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; D &nbsp;3个(-4)相加</div><div><br></div><div>15、下列各组运算中,运算后结果相同的是……………………( &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152631.jpg?m=0.2699790569022298"><br></div><div><br></div><div>16、下列计算中,结论正确的是………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152721.jpg?m=0.6862121066078544"><br></div><div><br></div><div>17、下列各数属于用科学记数法表示的是………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815285.jpg?m=0.391099693486467"><br></div><div><br></div><div>18、第五次全国人口普查结果显示,我国的总人口已近到1300000000人,用科学记数法表示为…………………………………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152840.jpg?m=0.8898816702421755"><br></div><div><br></div><div>19、用长86cm的铁丝围成一个宽为20cm的矩形,设矩形长为xcm,则正确的方程是……( &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618152920.jpg?m=0.095236387103796"></div><div>20、下列方程中,方程的解为x=1的方程是…………………………( &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815301.jpg?m=0.06364582711830735"><br></div><div><br></div><div>21、下列方程中,是一元一次方程的共有………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153033.jpg?m=0.9238914810121059"><br></div><div><br></div><div>22、解方程,去括号正确的是……………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815318.jpg?m=0.29425570787861943"><br></div><div><br></div><div>23、方程去分母得………………………………( &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153150.jpg?m=0.6674761280883104"><br></div><div><br></div><div>24、下列方程中,解为x=-3的方程是……………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153230.jpg?m=0.6873471417929977"><br></div><div><br></div><div>25、小丽买80分邮票与1元邮票共花了16元,已知所买的1元邮票比80分邮票少2枚,设买了80分邮票x枚,则依题意得到的方程是………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815334.jpg?m=0.35889411927200854"><br></div><div><br></div><div>26、若a&gt;b,则下列不等式中正确的是……………………………………( &nbsp; &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153342.jpg?m=0.07084182789549232"><br></div><div><br></div><div>27、“18减去x与3的差不小于零”用不等式表示是…………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153419.jpg?m=0.7647416302934289"><br></div><div><br></div><div>28、如果不等式的解集是,则………………………………( &nbsp; &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153512.jpg?m=0.7126499575097114"><br></div><div><br></div><div>29、不等式的正整数解的个数是…………………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B 3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C &nbsp;4 &nbsp; &nbsp; &nbsp; &nbsp; D &nbsp;5</div><div><br></div><div>30、下列各式是一元一次不等式的是……………………………………( &nbsp; &nbsp; )</div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153550.jpg?m=0.2592658291105181"></div><div>31、若为非负数,则x的取值范围为…………………………( &nbsp; &nbsp; )</div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153656.jpg?m=0.06203963980078697"></div><div>32、下列不等式组中,无解的是……………………………………( &nbsp; &nbsp; )</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153744.jpg?m=0.2215976684819907"><br></div><div><br></div><div>33、下列方程中,属于二元一次方程的是………………………………( &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153821.jpg?m=0.9267460885457695"><br></div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/201261815395.jpg?m=0.8704571218695492"></div><div><br></div><div>35、下列各方程组中,是二元一次方程组的是……………………………( &nbsp; &nbsp; &nbsp;)</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618153945.jpg?m=0.2953314371407032"><br></div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2012/0618/2012618154024.jpg?m=0.12449414422735572"><br></div><div><br></div><div>37、下列语句中错误的是………………………………………………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;射线有端点 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;直线有1个端点</div><div><br></div><div>C &nbsp;反向延长射线AB &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; D &nbsp;延长线段AB到C,使BC=2AB</div><div><br></div><div>38、两点之间的距离是指………………………………………………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;联结两点的直线叫做两点之间的距离</div><div><br></div><div>B &nbsp;联结两点的射线叫做两点之间的距离</div><div><br></div><div>C &nbsp;联结两点的线段叫做两点之间的距离</div><div><br></div><div>D &nbsp;联结两点的线段的长度叫做两点之间的距离</div><div><br></div><div>39、互补的两个角可以都是…………………………………………………( &nbsp; &nbsp; )</div><div><br></div><div>A &nbsp;锐角 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp;直角 &nbsp; &nbsp; &nbsp; &nbsp; C &nbsp; 钝角 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; D &nbsp;平角</div><div><br></div><div>40、下列说法中,正确的是…………………………………………………( &nbsp; &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;一个锐角的余角是锐角 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</div><div><br></div><div>B &nbsp;一个锐角的补角是锐角</div><div><br></div><div>C &nbsp;一个钝角的补角是钝角 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</div><div><br></div><div>D &nbsp;一个锐角的余角是钝角</div><div><br></div><div>41、长方体中,至少有( &nbsp; &nbsp;)条棱长度相等</div><div><br></div><div>A &nbsp; 2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp; 4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;C &nbsp;8 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;12</div><div><br></div><div>42、在检验直线与平面垂直的方法中没有…………………………………………( &nbsp; &nbsp;)</div><div><br></div><div>A &nbsp;长方形纸片法 &nbsp; &nbsp;B 合页型折纸法 &nbsp; &nbsp;</div><div><br></div><div>C &nbsp;铅垂线法 &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;三角尺法</div><div><br></div><div>43、下列各项中,( &nbsp; &nbsp;)的位置关系不是平行</div><div><br></div><div>A 教室中相对的两块黑板 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;B &nbsp; 操场上的旗杆和地面</div><div><br></div><div>C 家里的天花板和地板 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp; 讲台的台面和教室的地面</div><div><br></div><div>44、下面各种方法中,( &nbsp; &nbsp; &nbsp; &nbsp;)是检验平面与平面平行的方法</div><div><br></div><div>A铅垂线法 &nbsp; &nbsp; &nbsp; &nbsp; B &nbsp;合页型折纸法 &nbsp;</div><div><br></div><div>C &nbsp;三角尺法 &nbsp; &nbsp; &nbsp; &nbsp;D &nbsp;长方形纸片法</div><div><br></div><div><br></div>