（4）普通螺纹的牙型角是（ ）
举一反三
- <p style="margin-bottom:0;line-height:29px"><span style="font-family: 宋体;font-size: 16px"><span style="font-family:宋体">1、下列对居民存款储蓄的认识，正确的是（</span> <span style="font-family:宋体">）。</span></span></p><p><br/></p>
- <p style="line-height:27px"><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">药物的效应包括</span></span></p><p><br/></p>
- <p style="margin: 0cm 0cm 0pt; text-align: justify; font-family: " font-size:="" -ms-text-justify:="<br><p style="margin: 0cm 0cm 0pt; text-align: justify; font-family: " font-size:="" -ms-text-justify:="<br><span style="color:#008080<strong>（4.1定积分基本概念与性质测试题）</strong></span><span style="color:#008080</span><span style="color:#008080</span><img width="537" height="50" src="http://image.zhihuishu.com/download/upload/uccmanage/eweb/user/20150721144049438.jpg" border="0" _ewebeditor_pa_src="http%3A%2F%2Fimage.zhihuishu.com%2Fdownload%2Fupload%2Fuccmanage%2Feweb%2Fuser%2F20150721144049438.jpg
- <p style="text-align:left"><span style="font-size: font-family:宋体">下面正确阐述量变和质变辩证关系的是（ ）</span><span style="font-size:16px;font-family:宋体;color:black">。</span></p><p style="text-align:left"><br/></p><p><br/></p>
- <p style="text-align:left"><span style="font-size:16px;font-family:宋体">实践的运行机制是（ ）。</span></p><span style="font-size:16px;font-family:宋体"></span><p><br/></p>