侧鼻裂形成的原因是（）

A.鼻板与侧鼻突发育不全

B.溴凹与中鼻突间发育不全

C.上颌突与中鼻突之间发育不全

D.侧鼻突与中鼻突之间发育不全

E.侧鼻突与上颌突之间发育不全

The authorities are willing to permit a run-down in the country’s international reserves over the next few years as means of accelerating the introduction of foreign technology. ( )

A．speeding up

B．speeding on

C．speeding off

D．speeding down