A _____ is a collection of relation fields.
A.field
B.record
C.character
D.file
A.field
B.record
C.character
D.file
第2题
A、collect
B、collects
C、to collect
D、collecting
第4题
______ shows will be needed if we wanted to collect enough money to start a school.
A.Some other five
B.Another five
C.Other five
D.Five others
第8题
A、collect
B、ask
C、commit
D、confirm
第9题
A.blow up
B.blew up
C.blown up
D.blowing up
第10题
According to the last paragraph, the function of "proboscis tip" is to______.
A.find where to bite
B.stick into the flesh and suck blood
C.remove the skin and collect blood
D.decide whom to reject