一_________is the printer?
一It's behind you.
[ ]
A. What
B. Where
C. Who
D. When
答案:B
A Spear or a robot has the quality of technology only when it______.
A.is used both as a cultural and a physical object
B.serves different purposes equally well
C.is utilized by man
D.can be of use to both man and animal
隋炀帝开邗沟,从淮安到哪里入江?()
A、瓜洲
B、扬子津
C、十二圩