【C17】A．resultB．phenomenonC．behaviourD．appreciation

【C17】A．actB．voiceC．behaveD．do

【C20】A．resultB．reasonC．purposeD．cause

【C2】A．As a resultB．For instanceC．HoweverD．Nevertheless

【C7】A．resultB．reasonC．causeD．phenomenon

【C14】A．effectB．phenomenonC．crisisD．problem

A．resultB．effectC．indicationD．sequence