分数单位是的最小真分数是 ，最大真分数是 ，最小假分数是 ．
He f the exam because he was careless with his spelling．
The test i three parts：listening， speaking and writing．
The boy's father is very ill． He has no c but to earn money．
hope（形容词）
thin（比较级）
的最小真分数是 ，最大真分数是 ，最小假分数是 ．
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