A. the customer standing right in front of them.
B. the customer who owes the company the most money.
C. the customer calling on the phone.
D. the customer they have an appointment with in an hour.
第1题:
A.Has-arelationshipsshouldneverbeencapsulated.
B.Has-arelationshipsshouldbeimplementedusinginheritance.
C.Has-arelationshipscanbeimplementedusinginstancevariables.
D.Is-arelationshipscanbeimplementedusingtheextendskeyword.
E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.
F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.
G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.
第2题:
下列关于CSS重要性的说法中正确的是()
A.!important要写在分号“;”的前面
B.!important要写在相关属性值的前面
C.!important权值为1000
D.!important只能应用与字体样式设置
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.DROP SEQ_CUSTOMER_ID
B.DELETE SEQUENCE SEQ_CUSTOMER_ID
C.DROP SEQUENCE SEQ_CUSTOMER_ID
D.DELETE SEQ_CUSTOMER_ID
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