题目内容

html5新增表单控件属性中，（）用于提示用户可输入的预期信息。

A. placeholder
B. required
C. list
D. pattern

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以下提交按钮属性，决定将表单信息提交至哪个页面的属性是（）。

A. formaction
B. formmethod
C. formenctype
D. formtarget

多行文本域标签新增的属性maxlength是规定文本区域的最大字符数，warp规定在提交表单时是否要包含换行，其中soft为包含换行，hard表示不包含换行。</h3></div><p class="queslist-options"> A. 对<br> B. 错<br></p><div class="getanswer"><a href="/q/bJ7dQ4.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>实验研究设计应遵循原则是</h3></div><p class="queslist-options"> A. 对照原则<br> B. 随机化原则<br> C. 重复原则<br> D. 均衡原则<br> E. 以上都是<br></p><div class="getanswer"><a href="/q/65NEjl.html"> 查看答案 </a></div></div><div class="queslist-item"><div class="queslist-title"><h3>某医生在研究某药物治疗糖尿病的疗效时，试验组服用该药物，对照组服用淀粉，这属于</h3></div><p class="queslist-options"> A. 标准对照<br> B. 实验对照<br> C. 空白对照<br> D. 安慰剂对照<br> E. 相互对照<br></p><div class="getanswer"><a href="/q/qPnZkg.html"> 查看答案 </a></div></div></div></div><div class="content-right"><div class="appbanner"><a target="_blank" href="https://www.fenbi.com/depot/fenbi-search-question/index.html?app=souti&signVendor=01DCE437F1F4D23E37869A597C44D560" rel="nofollow"><img src="/img/banner.jpg" title="答案查题题库" 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