()起重机具有稳定性好,能在松软的路面或无加工路面的场地上行驶,爬坡能力强,转弯半径小等优点。
A、汽车
B、轮胎
C、履带
参考答案:C
---_________ either he or I to host Talent Show in our school this year?
--- I have no idea, either.
A.Is
B.Am
C.Are
D.Were
放疗或化疗后脊柱MR检查的特点或表现是()
A.红髓增加
B.黄髓增加
C.黄髓减少
D.T1值变长
E.T1加权像受累椎体为低信号