【单选题】The group of the aged are close companions, and many of ______ have known each other for decades.
【单选题】The two playwrights worked in close ______ with each other on the script.
【单选题】The old town has narrow streets and small houses _______ are built close to each other . [ ]
【多选题】UCS为用户坐标系,在三维环境中创建或修改对象时,可以在三维空间中的任何位置移动和重新定向UCS以简化工作。确定新的UCS的方法有( )。
B.
将UCS与指定的正向Z轴对齐,确定新的UCS
【多选题】UCS为用户坐标系,在三维环境中创建或修改对象时,可以在三维空间中的任何位置移动和重新定向UCS以简化工作。确定新的UCS的方法有:( )
D.
将UCS与指定的正向Z轴对齐,确定新的UCS
【单选题】They were close ______ each other in high school and now are still ______ touch.
【单选题】In machinery space, the valves, pipes should be .
A.
arranged as close to each other as possible to save space
B.
arranged far away from each other for convenient operation
C.
be fixed or clamped to avoid vibration
D.
kept easy removable as to convenient repairing work
【多选题】在新的历史起点上必须全面深化改革,因为( )。