在“测平均速度”实验中，需要用到的测量仪器有__________和__________。
刻度尺；秒表
It is greatly ________ that he gave back the money he found on the bus.
A．for his delight
B．to his delight
C．to his credit
D．in his credit
报到时学生需要携带的材料包括：（）、（）、（）。
