弯曲时,材料在不发生破坏的情况下,所能弯曲的最小半径,称为()弯曲半径。
A、最小
B、最大
C、一般
参考答案:A
She didn't go to the party last night, ______ she had to finish her term paper.
A.if
B.though
C.till
D.because
感觉平面有助于判断病损部位,可据体表判定受损节段,下腹壁反射对应的脊髓反射中枢位于哪个节段()
A.T5-6
B.T7-8
C.T6-7
D.T9-10
E.T11-12