GSM中每个载波有()物理信道。
参考答案:八个
已知正方形ABCD 中,点E、F、G、H分别在边AB、BC、CD、DA上,“爱琢磨”学习小组的小明说“若EG⊥FH,则EG = FH” ,小红说“若EG = FH,则EG⊥FH”。则他们的说法[ ]
A.小明正确
B.小红正确
C.都正确
D.都不正确
The Science Museum, ____________ we visited during a recent trip to Britain, is one of London’s tourist attractions.
A.which
B.what
C.that
D.where