Akin to the "Black Box, on airplanes, a ____ is an equipment fitted onboard ships that record the various data on a ship which can be used for reconstruction of the voyage details and vital information during an accident investigation. A. Voyage Data Recorder （VDR)B. Automatic Radar Plotting Aid C. Automatic Identification System D. Speed Log

单选题

In the case of a revision to an illustration, a black vertical line or a black hand may be utilized to call attention to the changed portion.

答案解析

单选题

,a man may not be able to see deep red．He may think that red,orange and yellow are all the same as green.People often like one color more than others．Blue is the color of the sky and sea．Green makes us think of fields and trees．Red is the color of blood and makes some people think of danger．Black is the color of night．In the dark we cannot see what is around us so we are sometimes afraid of the unknown and do not like black as a color.According to the passage,which of the following statements i

答案解析

单选题

y,well-paying work is the key to any persons economic satisfaction,there are scveral reasons to be nervous about the upcoming generation.Since 2000,the labor-force participation rate of young men undcr the age of 35 without a college degree has declined more than any other age-and-gender group.Since the turn of the century,the participation rate of 16-to-24-year olds with just a high-school degrce has fallen IO points to about 70 percent.Some of this drop is attributable to rising college attend

答案解析

材料题

a sea islands. But by 1916, ten years before the publication of The Weary Blues, Hurry T. Burleigh, the Black baritone soloist at New York’s ultrafashionable Saint George’s Episcopal Church, had published Jubilee Songs of the United States, with every spiritual arranged so that a concert singer could sing it “in the manner of an art song.” Clearly, the artistic work of Black people could be used to promote racial acceptance and integration only on the condition that it became Europeanized.　　Even

答案解析

材料题

a sea islands. But by 1916, ten years before the publication of The Weary Blues, Hurry T. Burleigh, the Black baritone soloist at New York’s ultrafashionable Saint George’s Episcopal Church, had published Jubilee Songs of the United States, with every spiritual arranged so that a concert singer could sing it “in the manner of an art song.” Clearly, the artistic work of Black people could be used to promote racial acceptance and integration only on the condition that it became Europeanized.　　Even

答案解析