题目内容
19．Susan has _______ classes today，the _______ class is English．（ ）| A． | five，five | B． | five，fifth | C． | fifth，five |
分析 苏珊今天上五节课，第五节是英语．
解答 答案：B．
根据题干结合选项判断句意是"苏珊今天上五节课，第五节是英语．"，第一个设空处后面classes是名词复数形式，需要用基数词表数量；第二个设空处根据后面的class 这个名词单数形式，判断要用序数词作定语修饰后面的名词，故选B．
点评 本题主要考查基数词和序数词的使用．基数词强调数量，后面常跟名词复数，序数词强调顺序，常与the搭配，特指某一个，但名词前已有物主代词或名词所有格时，定冠词the要省略．
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