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【多选题】
(Multiple-choice question) Which of the following are the new pseudo classes of css3? ( )
A.
:nth-of-type
B.
:not
C.
:empty
D.
:root
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参考答案：
举一反三
【单选题】About the form attributes, which of the following statements is incorrect? ( )
A.
The list specifies an available options list for the input field, when the user enters information in the input field, the drop-down list prompt will be automatically displayed for the user to choose from.
B.
The pattern is used to verify the contents of the input.
C.
The step sets the legal numeric interval of the input field.
D.
The size sets the maximum number of characters that can be entered into the input field.
【单选题】Accomplish a semicircle through CSS: the width of the element is 200px and the height is 100px, so which of the following codes is correct? ( )
A.
border-radius:50%
B.
border-radius:100px;
C.
border-radius:0 100px 50% 0;
D.
border-radius:100px 100px 0 0;
【单选题】Which of the following statements about animation-play-state is correct? ( )
A.
Used to set the playing status of animation.
B.
Used to set the execution time of animation.
C.
Used to set whether the animation should be played in reverse in turn.
D.
Used to set how the animation completes a cycle.
【单选题】The code that prevents the text from wrapping is ( ).
A.
white-space: nowrap
B.
word-wrap: nowrap
C.
word-spacing: nowrap
D.
word-break: nowrap
【单选题】If you set transition:2s 1s for an element, which one is the correct statement about 2s and 1s? ( )
A.
2s is code delay time, 1s means meaningless.
B.
1s is code transition time, 2s represents delay time.
C.
2s is code transition time, 1s represents delay time.
D.
None of the above statements is correct.
【单选题】Set to move horizontally to the right by 100px, then which code is correct? ( )
A.
transform:translateY(100px)
B.
transform:translateY(-100px)
C.
transform:translateX(-100px)
D.
transform:translateX(100px)
【单选题】Please select an expression whose result is true. ( )
A.
null instanceof Object
B.
null === undefined
C.
null == undefined
D.
NaN == NaN
【单选题】Which one has the highest priority among js operators? ( )
A.
brackets（）
B.
+
C.
=
D.
*
相关题目：
【单选题】About the form attributes, which of the following statements is incorrect? ( )
A.
The list specifies an available options list for the input field, when the user enters information in the input field, the drop-down list prompt will be automatically displayed for the user to choose from.
B.
The pattern is used to verify the contents of the input.
C.
The step sets the legal numeric interval of the input field.
D.
The size sets the maximum number of characters that can be entered into the input field.
【单选题】Accomplish a semicircle through CSS: the width of the element is 200px and the height is 100px, so which of the following codes is correct? ( )
A.
border-radius:50%
B.
border-radius:100px;
C.
border-radius:0 100px 50% 0;
D.
border-radius:100px 100px 0 0;
【单选题】Which of the following statements about animation-play-state is correct? ( )
A.
Used to set the playing status of animation.
B.
Used to set the execution time of animation.
C.
Used to set whether the animation should be played in reverse in turn.
D.
Used to set how the animation completes a cycle.
【单选题】The code that prevents the text from wrapping is ( ).
A.
white-space: nowrap
B.
word-wrap: nowrap
C.
word-spacing: nowrap
D.
word-break: nowrap
【单选题】If you set transition:2s 1s for an element, which one is the correct statement about 2s and 1s? ( )
A.
2s is code delay time, 1s means meaningless.
B.
1s is code transition time, 2s represents delay time.
C.
2s is code transition time, 1s represents delay time.
D.
None of the above statements is correct.
【单选题】Set to move horizontally to the right by 100px, then which code is correct? ( )
A.
transform:translateY(100px)
B.
transform:translateY(-100px)
C.
transform:translateX(-100px)
D.
transform:translateX(100px)
【单选题】Please select an expression whose result is true. ( )
A.
null instanceof Object
B.
null === undefined
C.
null == undefined
D.
NaN == NaN
【单选题】Which one has the highest priority among js operators? ( )
A.
brackets（）
B.
+
C.
=
D.
*
参考解析：
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