Astronomical refraction causes a celestial body to appear ().
A. To the left of its position in the Northern Hemisphere and to the right inthe Southern Hemisphere
B. To the right of its position in the Northern Hemisphere and to the left inthe Southern Hemisphere
C. Higher than its actual position
D. Lower than its actual position
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对核燃料循环设施营运单位核事故应急演习频度的要求单项演习为()。
A. 每年一次
B. 每两年一次
C. 每五年一次
D. 按应急计划要求进行
人的侧面标准脸型中，给人以端庄感的是（）。
A. 斜线形脸
B. 直线型脸
C. 椭圆形脸
D. 菱形脸
Having accomplished this novel, Earnest Hemingway feit a great weight____ off his mind,
A. taking
B. took
C. taken
D. to be taken
因承运人责任造成托运人取消行包托运时，保价费（）。（客值高）
A. 部分退还
B. 全部退还
C. 不退还
D. 不补不退
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