体的三面投影图间的关系是[ ]。
A. V面投影和H面投影符合上下相等,即“高相等”的关系
B. V面投影和W面投影符合上下对齐,即“高平齐”的关系
C. V面投影和H面投影符合左右对正,即“长对正”的关系
D. V面投影和H面投影符合左右相等,即“长相等”的关系
平行投影的特性包括( )
A. 真实性
B. 积聚性
C. 类型性
D. 平行性
E. 定比性
The main task for the troop there is not fighting but _____ the progress of the enemy army and waiting for reinforcements (援兵) .
A. arresting
B. resting
C. arousing
D. quickening
He always anxiously summarizes the concessions which he has made but he almost always ________ to mention those offered by the other party.
A. remembers
B. urges
C. omits
D. forces