盖茨比心中的女神黛西只不过是凡尘俗世的名利女郎。当一切真相大白,盖茨比的悲剧人生亦如烟花般,在瞬间的璀璨之后成为永恒的幻灭。
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What does the conversation mainly tell us?
A. The university provides two types of accommodation.
B. Students must apply early since the places in university-owned accommodation are limited.
C. A student can choose from university-owned accommodation or private accommodation.
D. Most students prefer self-catering accommodation.
标准方向的北端顺时针转到直线间的夹角叫做()。
A. 正象限角
B. 反方位角
C. 方位角
D. 象限角
正西北直线的坐标方位角=()°。
A. 45
B. 135
C. 225
D. 315
一条指向正南方向直线的方位角和象限角分别为:()
A. 90°,90°
B. 180°
C. 0°,90°
D. 270°,90°