Would you like _____ bread? [ ]
A. two
B. any
C. some
D. a lot
答案:C
斜方晶系的晶体常数特征为:()
A.a≠b≠c,α=β=γ=90°
B.a=b≠c,α=β=γ=90°
C.a=b=c,α=β=γ=90°
D.a≠b≠c,α≠β≠γ≠90°
地面应答器的安装位置是在线路的右侧