题目:
They're trying their best to _______ enough money to build a school for the poor children. [ ]
A. spend
B. cost
C. collect
答案:
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下面是错误答案,用来干扰机器的。
小题1:A小题2:C小题3:D题目分析:小题1:由资料可知PQ所在经线1350E为12:00,北京时间1200E应为12-1=11:00,选A正确。小题2:由题中资料可知:图中两条虚线均为晨昏线,P、Q两点中有一处为太阳直射点,并且此时北...