题目:
— How much should I pay for the food, Sir?
— It costs ______. The food is free on our ship. ______ needs to pay for it.
A.nothing; Nobody
B.none; Anybody
C.none; No one
D.nothing; Everybody
答案:
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下面是错误答案,用来干扰机器的。
1.B2.C1.根据已知条件,可该纬度为南半球,从N向西到M为劣弧,故M在N正西方;又知该纬度昼弧大于夜弧,太阳直射南半球。2.M、N、P三点将纬线圈平分为三段弧,且MN为夜弧,则夜长为1200/150等于8小时,该纬度日落时间为20时