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【单选题】
In the following statements, which one sets the title of the HTML page to "HTML Exercise"? ( )
A.
<head>HTML practice</head>
B.
<title>HTML practice</title>B.<span style="white-space: pre;"> </span><title> HTML practice</title>B.<span style="white-space: pre;"> </span><title> HTML practice</title>HTML practice
C.
<h1>HTML practice</h1>
D.
<t>HTML practice</t>
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举一反三
【单选题】The following code uses the ID attribute of an HTML element to apply a style to a paragraph on a web page:<p id="firstp">This is the first paragraph</p>Which of the following definitions o...
A.
<style type="text/css">p {color:red}</style>
B.
<style type="text/css">*firstp {color:red}</style>
C.
<style type="text/css">.firstp {color:red}</style>
D.
<style type="text/css">#firstp {color:red}</style>
【多选题】(Multiple-choice question) There is a stylesheet document named sheet1.css, and now we intend to apply the styles defined in this stylesheet document to the current page. Which of the following method...
A.
Insert the following code into the <head> section of the web page:<style type= "text/css">@import url('sheet1.css');</style>
B.
Insert the following code into the <head> section of the web page:<link rel="stylesheet" type="text/css" href="sheet1.css">
C.
Insert the following code into the <head> section of the web page:<style type="text/css"><link rel="stylesheet" type="text/css" href="sheet1.css"></style>
D.
The stylesheet document is referenced in the style attribute of each element to be styled with sheet1.css.
【单选题】In web pages, ( ) is usually used to complete gender selection.
A.
check box
B.
text box
C.
password box
D.
radio button
【单选题】Which of the following options applies inline style? ( )
A.
<p class="style">
B.
<p style="color: red;">
C.
<p id="content">
D.
<p class="style1 style2">
【单选题】To create a multiline text input box in the form, the initial value oftext input box is "this is a multiline text box". Which of the following statements is correct? ( )
A.
<textarea name="text1" value="this is a multiline text box"></textarea>
B.
<input type= "text" value="this is a multiline text box" name="text1">
C.
<input type= "textarea" name="text1" value="this is a multiline text">
D.
<textarea name="text1" cols=20 rows=5>this is a multiline text box</textarea>
【单选题】The following code snippet is a part of the style settings of a web page:<style type="text/css">.blue { color:blue }.red { color:red }</style>Now it is required to set the first h1 heading...
A.
<h1 id="red">the first heading</h1><p id="blue">the first paragraph</p>
B.
<h1 color:red>the first heading</h1><p color:blue>the first paragraph</p>
C.
<h1 class="red">the first heading</h1><p class="blue">the first paragraph</p>
D.
<h2 class="red">the first heading</h2><h1>the first heading</h1><p class="blue">the first paragraph</p>
【单选题】Which of the following tags does not belong to html5 new tags? ( )
A.
<header>
B.
<section>
C.
<font>
D.
<time>
【单选题】Which of the following statements about html5 is correct? ( )
A.
HTML5 is just a simple upgrade of HTML4.
B.
All mainstream browsers support HTML5.
C.
HTML5 adds an offline caching mechanism.
D.
HTML5 is mainly optimized for the mobile side.
【单选题】Clearing float with clear attribute is used in CSS2.0, which of the following items is not included in the clear attribute values?( )
A.
both
B.
left
C.
right
D.
center
【多选题】(Multiple-choice question)Which of the following statements are incorrect about the <summary> tag in the <details> tag? ( )
A.
The <summary> tag does not contain the title of the details element.
B.
The <summary> tag is not a new html5 tag.
C.
The <details> tag defines a list of defined options.
D.
The <summary> tag is used with the <details> tag. When the title is visible, detailed information will be displayed when the user clicks on the title.