A.By ordering them.
B.By paying the money now,
C.By calling the clerk.
D.By sending an e-mail.
第3题
A.R1= 1.8 ,R2= TRUNC(R1) ,则R2=1
B.TRUNC(1.6)=2
C.TRUNC(1.2)+ TRUNC(1.8) =2
D.TRUNC(1.8)- TRUNC(1.2)=0
第4题
A.R1= 1.8 ,R2= TRUNC(R1) ,则R2=1
B.TRUNC(1.6)=2
C.TRUNC(1.2)+ TRUNC(1.8) =2
D.TRUNC(1.8)- TRUNC(1.2)=0
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