【C6】A．intrudeB．induceC．includeD．introduce

【C11】A．namedB．madeC．calledD．introduced

The speakers aim is to______.A．introduce students to the academic requirementsB．introduce

【C20】A．engageB．induceC．helpD．draw

A．resortedB．relievedC．exiledD．introduced

有以下程序：#include<stdioh>void main（){char c1,c2,c3,c4,c5,c6;c5=getchar（);c6=getcha" />