卷材按铺设方法的不同可分为满粘、点铺、条铺和空铺等。( )
参考答案：对
心脏右前斜位摄影，身体冠状面与胶片夹角为
A．10°～15°B．20°～25°C．30°～35°D．45°～55°E．70°～75°
—When did your daughter go to sleep last night?
—She didn’t go to bed ______ she finished her homework.
A．before
B．after
C．until
D．then
