The author has made a significant ____ to explain various issues regarding the web and its contents.
A.review
B.contact
C.attempt
D.comment
第1题:
[A] Like
[B] Except
[C] Regarding
[D] With
第2题:
第3题:
第4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5题:
第6题:
真核生物ITS序列由ITS1和ITS2两部分组成。