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【单选题】
If you want to set the alignment of flexible sub-elements, which of the following statements is correct? ( )
A.
Set for flexible sub-elements justify-content: space-between
B.
Set for flexible element justify-content: space-between
C.
Set for flexible sub-elements align-content: space-between
D.
Set for flexible element align-content: space-between
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参考答案：
举一反三
【多选题】(Multiple-choice question) Which of the following items belong to display attribute values? ( )
A.
block
B.
inline
C.
table
D.
flex
E.
inline-flex
【单选题】What is the correct statement about flow-grow? ( )
A.
Defines the expansion ratio of sub-elements, and its default value is 1.
B.
Defines the shrinkage ratio of sub-elements, and its default value is 0.
C.
Defines the expansionratio of sub-elements, and its default value is 0.
D.
Defines the shrinkage ratio of sub-elements, and its default value is 1.
【多选题】For flexible box, what are the attributes of flexible sub-elements? ( )
A.
order
B.
flex-direction
C.
flex-grow
D.
flex-shrink
E.
flex-flow
【单选题】To center the element with class name con vertically in the element with class name box, what codes should be set at the underlines? ( )<style>.box{width:100%;height:200px;display:_______;_____...
A.
Fill in flexat the first underline, fill in align-items at the second underline.
B.
Fill inflexat the first underline, fill inalign-contentat the second underline.
C.
Fill inblockat the first underline, fill inalign-itemsat the second underline.
D.
Fill inblockat the first underline, fill inalign-contentat the second underline.
【多选题】(Multiple-choice question) Which of the following statements about HTML5 are correct? ( )
A.
The declaration of HTML5 is <!DOCTYPE html>.
B.
HTML5's declaration does not need to introduce DTD.
C.
HTML5' s declaration is more concise than HTML4' s.
D.
HTML5 is based on SGML.
【多选题】(Multiple-choice question) Which of the following items belong to HTML5 structure tag? ( )
A.
<header></header>
B.
<div></div>
C.
<nav></nav>
D.
<time></time>
【多选题】(Multiple-choice question) Which types are new in the HTML5 form? ( )
A.
color
B.
image
C.
hidden
D.
email
【判断题】(True or False) Html5 simplifies syntax, and some attributes can omit attribute values.
A.
正确
B.
错误
【多选题】(Multiple-choice question) Which of the following are not new features of HTML5? ( )
A.
It has the positioning function.
B.
It has the local storage function.
C.
The <font> tag is new in HTML5.
D.
The file type of <input> is new in HTML5.
【单选题】Which statement is wrong about semantic tags? ( )
A.
Do the right thing with the right tag.
B.
Html semantic tags make the content of the page structured and clearer.
C.
Html semantic tags are inconvenient to parse for browsers and search engines.
D.
Even if there is no css style , it is displayed in a document format and is easy to read.
相关题目：
【多选题】(Multiple-choice question) Which of the following items belong to display attribute values? ( )
A.
block
B.
inline
C.
table
D.
flex
E.
inline-flex
【单选题】What is the correct statement about flow-grow? ( )
A.
Defines the expansion ratio of sub-elements, and its default value is 1.
B.
Defines the shrinkage ratio of sub-elements, and its default value is 0.
C.
Defines the expansionratio of sub-elements, and its default value is 0.
D.
Defines the shrinkage ratio of sub-elements, and its default value is 1.
【多选题】For flexible box, what are the attributes of flexible sub-elements? ( )
A.
order
B.
flex-direction
C.
flex-grow
D.
flex-shrink
E.
flex-flow
【单选题】To center the element with class name con vertically in the element with class name box, what codes should be set at the underlines? ( )<style>.box{width:100%;height:200px;display:_______;_____...
A.
Fill in flexat the first underline, fill in align-items at the second underline.
B.
Fill inflexat the first underline, fill inalign-contentat the second underline.
C.
Fill inblockat the first underline, fill inalign-itemsat the second underline.
D.
Fill inblockat the first underline, fill inalign-contentat the second underline.
【多选题】(Multiple-choice question) Which of the following statements about HTML5 are correct? ( )
A.
The declaration of HTML5 is <!DOCTYPE html>.
B.
HTML5's declaration does not need to introduce DTD.
C.
HTML5' s declaration is more concise than HTML4' s.
D.
HTML5 is based on SGML.
【多选题】(Multiple-choice question) Which of the following items belong to HTML5 structure tag? ( )
A.
<header></header>
B.
<div></div>
C.
<nav></nav>
D.
<time></time>
【多选题】(Multiple-choice question) Which types are new in the HTML5 form? ( )
A.
color
B.
image
C.
hidden
D.
email
【判断题】(True or False) Html5 simplifies syntax, and some attributes can omit attribute values.
A.
正确
B.
错误
【多选题】(Multiple-choice question) Which of the following are not new features of HTML5? ( )
A.
It has the positioning function.
B.
It has the local storage function.
C.
The <font> tag is new in HTML5.
D.
The file type of <input> is new in HTML5.
【单选题】Which statement is wrong about semantic tags? ( )
A.
Do the right thing with the right tag.
B.
Html semantic tags make the content of the page structured and clearer.
C.
Html semantic tags are inconvenient to parse for browsers and search engines.
D.
Even if there is no css style , it is displayed in a document format and is easy to read.
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