题目内容

Your free time activities can be a clue ____ your true interests.

A. for
B. at
C. of
D. to

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Robinson Crusoe had to live____wild fruits and fish on the desert island.

A. with
B. from
C. in
D. on

He found it increasingly difficult to read,_____ he wouldn't give up.

A. and
B. for
C. but
D. or

回差（又称变差) 名词解释

Whichmethodimplementationswillwritethegivenstringtoafilenamed"file"，usingUTF8encoding？（）
IMPLEMENTATIONa：
publicvoidwrite（Stringmsg）throwsIOException{
FileWriterfw=newFileWriter（newFile（"file"））；
fw.write（msg）；
fw.close（）；
}
IMPLEMENTATIONb：
publicvoidwrite（Stringmsg）throwsIOException{
OutputStreamWriterosw=newOutputStreamWriter（newFileOutputStream（"file"），"UTF8"）；osw.write（msg）；
osw.close（）；
}
IMPLEMENTATIONc：
publicvoidwrite（Stringmsg）throwsIOException{FileWriterfw=newFileWriter（newFile（"file"））；
fw.setEncoding（"UTF8"）；
fw.write（msg）；
fw.close（）；}
IMPLEMENTATIONd：
publicvoidwrite（Stringmsg）throwsIOException{FilterWriterfw=FilterWriter（newFileWriter（"file"），"UTF8"）；
fw.write（msg）；fw.close（）；
}
IMPLEMENTATIONe：
publicvoidwrite（Stringmsg）throwsIOException{
OutputStreamWriterosw=newOutputStreamWriter（newOutputStream（newFile（"file"）），"UTF8"）；
osw.write（msg）；
osw.close（）；
}