A)knowing
B)knew
C)to know
D)know
第1题:
In his composition there are ________errors _______a few misspellings.
A: no other ... than
B: some other ... than
C: more ... than
D: other ... than
第2题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第3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4题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第5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