【判断题】在“图层”面板上方有2个系统按钮,分别是“折叠为图标”按钮和“关闭”按钮
【判断题】在 “图层”面板上方有2个系统按钮(如下图),它们分别是“折叠为图标”按钮和“关闭”按钮。
【判断题】在“图层”面板上方有2个系统按钮,分别是“折叠为图标”按钮和“关闭”按钮
【判断题】在“图层”面板上方有2个系统按钮 ,它们分别是“折叠为图标”按钮和“关闭”按钮。
【单选题】有关心包窦的描述下列哪项不正确:
C.
心包斜窦是位于左心室后壁与心包后壁之间的腔隙
D.
心直视手术时,可经心包横窦夹闭升主动脉和肺动脉干,暂时阻断血流
【单选题】According to the passage ______.
A.
advertising enables manufacturers to sell their products on large quantities
B.
advertising helps balancing competition
C.
advertising leads to reasonable price
D.
advertising reduces the cost of goods