从外单位取得的原始凭证,必须盖有填制单位的公章,并应具有防伪标志和国家有关管理机关的监制章。( )
参考答案:对
The students were_______to learn that the new teaching methodat the meeting would be carried out.
A.pleased; put forward
B.pleasing; putting forward
C.pleased; putting forward
D.pleasing; put forward
简述什么是礼兵。