南京地铁一号线CCTV系统将键盘锁拨至MENU位置，按F1键进入第一级菜单，LCD显示屏上会出现：（）
A. KeyboardV2116EX
B. System V2116EX
C. System KeyboardV2116EX
D. System Keyboard
查看答案
大分子物质或团块通过细胞膜转运的方式是：入胞和出胞
老年人，主动脉弹性减退，并伴有小动脉硬化时，动脉血压的变化是：收缩压升高，舒张压升高
SIGMETsare（）
A. Warnings of the occurrence of the significant weather hazards at aerodromes.
B. Warnings of the occurrence of the significant weather hazards
C. An area forecasts for low level flights.
D. Warnings of specified en-route weather phenomena which may affect the safety of low-level aircraft
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