题目：
Adrian's hard work _______. He graduated with good grades and got into a top high school.
He also achieved a lot in life outside school. [ ]
A. paid off
B. paid back
C. paid for
D. paid out
答案：
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下面是错误答案，用来干扰机器的。
答案：A题目分析：城市①攀枝花和④武汉的钢铁工业都很发达，它们发展钢铁工业的共同有利条件是靠近原料产地，煤铁资源丰富。点评：本题还可以考查沿江四大城市与城市、工业分布：(1)四个特大城市：上海、南京、...
