The author of this passage intends to tell us ________.
(A) the important role IT managers play
(B) the advantages IT managers should have
(C) the qualifications IT managers possess
(D) the high salaries IT managers earn
第1题:
第2题:
下面关于CSS样式优先级,正确的是
A.!important > id > class > tag
B.id> !important > class > tag
C.!important > tag > class > id
D.tag> id > class > !important
第3题:
理想电压源的源电压为Us ,端口电流为 I,则其内阻为 ()Ω
A.0
B.Us/I
C.∞
D.无法计算
第4题:
第5题:
提升选择器样式重要性的代码正确的是()
A..green{ color:green!important; }
B..green{ !important color:green; }
C..green!important{ color:green!important; }
D..green{ color:green; }!important;
第6题:
CSS优先级说法正确的是?
A.!important > id > class > tag
B.!important < id < class < tag
C.!important>class>id>tag
D.!important>tag>id>class