树脂锚杆是以合成树脂为粘结剂，把锚杆杆件与孔壁岩石粘结为整体的一种锚杆。
参考答案：对
A variety of games, role-plays, simulations, etc. are ______ communicative activities prepared to support the Communicative Language Teaching.
A. text-based B. task-basedC. game-based D. situation-based
什么是党的“四个服从”纪律要求？
