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第1题

His health ________ as he ate too little and worked too hard for months on en; A. broke up B. broke through C. bro
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第2题

Her plane _________ at the airport right now. A. arrived B. was arriving C. has arrived D. is arriving
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第3题

According to the American federal government, residents of Hawaii have the longest life ________: 77.2 years. A. rank
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第4题

下列关于泛型的说法中，错误的是()。 ArrayList中的E称为类型变量或类型参数 )在对泛型类型进行参数化时，类型参数的实例必须是引用类型，不能使基本类型 泛型中的通配符?用于表示任意类型 泛型是JDK6.0的新特性
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