Since most Antarctic rocks are dark in color, they stood out the white background and are
Since most Antarctic rocks are dark in color, they stood out the white background and are
发布时间：2020-08-16 22:34:38
Since most Antarctic rocks are dark in color, they stood out the white background and are easy to identify and collect. A. against B. on C. beyond D. above
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(答案→)A. against B. on C. beyond D. above 解析：考查介词辨析。against表示“在…的衬托下”，符合句意。