【单选题】【消耗次数：1】
He is more experienced [填空] computer than her.
①
at
②
on
③
for
④
in
参考答案：
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纠错
相关题目
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随机题目
【单选题】
下面的程序段创建了BufferedReader类的对象in，以便读取本机c盘my文件夹下的文件1.txt。File构造函数中正确的路径和文件名的表示是( )。
File f = new File(填代码处);
file =new FileReader(f);
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①
./1.txt
②
../my/1.txt
③
c:\\my\\1.txt
④
c:\ my\1.txt
【单选题】
若文件是RandomAccessFile的实例f，并且其基本文件长度大于0，则下面的语句实现的 功能是（ ） 。 f.seek(f.length()-1);
①
将文件指针指向文件的第一个字符后面
②
将文件指针指向文件的最后一个字符前面
③
将文件指针指向文件的最后一个字符后面
④
会导致seek()方法抛出一个IOException异常
【单选题】
声明并创建一个按钮对象b，应该使用的语句是（ ）
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Button b=new Button();
②
button b=new button();
③
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④
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【单选题】
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①
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②
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③
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④
FileReader