A.whose
B.of which
C.in which
D.on which
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:
A.BOOK&x=&book
B.BOOK&x=book
C.BOOK&x=newBOOK
D.BOOK&x=BOOK
第3题:
第4题:
When William hurried home, he found that his mother ____already ____to hospital.
A、has; been sent
B、had; sent
C、has; sent
D、had; been sent
第5题:
[A] hide [B] cover [C] conceal [D] veil
第6题:
假定有“struct BOOK{char title[40]; float price;} book;”,则正确的语句为()。
Astruct BOOK x= &book;
Bstruct BOOK *x=&book;
Cstruct BOOK x=calloc(BOOK);
Dstruct BOOK *x=BOOK;