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【单选题】
下面代码的输出结果是 sum = 0 for i in range(0,100): if i %2 == 0: sum -= i else: sum += i print(sum)A.
-49
B.
49
C.
50
D.
-50
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举一反三
【简答题】读甲图“地球公转示意图”和乙图“极地投影图”，回答问题。 （1）甲图中的A、B、C、D四点中最接近公转轨道近日点的是______，此时，地球公转速度较_______， 我国正值一年中的_________季。 （2）乙图是甲图公转位置中_________点的极地投影图。有关此日地理现象的叙述正确的是 [ ] A、太阳入射光线与地轴垂直 B、晨昏线与极圈相切 C、晨昏线与地轴重合 D、北回归线...
【单选题】Directions: Choose the right one from the four choices marked A, B, C or D. The risk of DVT and PE were significantly _____, and were highest in the first two weeks, after urinary tract infec...
A.
rose
B.
raised
C.
aroused
D.
arose
【单选题】The risk of DVT and PE were significantly _____, and were highest in the first two weeks, after urinary tract infection.
A.
rose
B.
raised
C.
aroused
D.
arose
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