皮皮学，免费搜题
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搜题
【单选题】
下列哪种叙述是错误的？A.
"RedBird".indexOf("Bird")的值是3。
B.
"RedBird".indexOf("Cat")的值是-1。
C.
执行Integer.parseInt("12.9");不会发生异常。
D.
执行Integer.parseInt("12.9");会发生异常。
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
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A.
7200
B.
7800
C.
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D.
9000
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A.
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B.
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C.
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D.
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【单选题】某产品销售款的回收情况是:销售当月收款60%,次月收款40%,2020年1-3月的销售额估计为7 000元、9 000元、6 000元。由此可预测2020年2月的现金收入为( )
A.
7200 元
B.
7800元
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8200元
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9000元
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