【单选题】Chart depth is the ______.
A.
vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide
B.
vertical distance from the chart sounding datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【多选题】关于生产力在社会进步和发展中作用,以下选项中正确的是
A.
生产力是社会基本矛盾运动中最基本的动力因素,是人类社会发展和进步的最终决定力量。
B.
生产力决定生产关系的性质,进而决定其他社会关系的基本面貌,决定世界发展的历史进程。
C.
生产力是社会进步的根本内容,是衡量社会进步的根本尺度。
D.
生产力发展即是社会物质文明发展的基本内容,也是制约政治文明、精神文明和生态文明发展的基本物质条件。
【单选题】Charted depth is the ______.
A.
vertical distance from the chart sounding datum to the ocean bottom,plus the height of tide
B.
vertical distance from the chart sounding datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【单选题】几种药物相比较时,药物的LD.50愈大则其:
【判断题】市场竞争归根结底还是产品的竞争,产品是企业竞争取胜的基础,也是企业进行产品策划的认识起点
【单选题】My inspiration is my grandmother, who's still alive at 96. She raised me from the time I was 8 on a dairy farm in Wisconsin. In another era she could have done what I do, although I didn't know what a...
A.
lives in the countryside
D.
does very well in tests
【单选题】The datum from which the predicted heights of tides are reckoned in the tide tables is ______.
B.
the same as that used for the charts of the locality
C.
the highest possible level
D.
given in table three of the tide tables