一个馏分的终馏点高于下一个馏分的初馏点，这两点交错部分称为相邻两馏分的（）.
参考答案：重迭
Last night on my way home I saw an old lady driving a BMW car at __________I thought was a dangerous speed.
A．that
B．which
C．what
D．how
桡神经的组成是（）
A.C4-7
B.C2-3
C.C5-7
D.C5-8
E.C1-2
