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【简答题】
用量程是 50mA的电流表测量实际值为40mA的电流,如果读数值为38mA,则测量的绝对误差为 ,实际相对误差为 ,示值相对误差为 。
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【简答题】会计档案的保管期限分为永久和定期两类，保管期限从会计档案交存之日起算。 ( )
【简答题】已知zipname 是一个压缩文件名,则zipname 在下列代码中出现的正确位置是:ZipInPutStream zin =new ZipInPutStream(new FileInPutStream(1));ZipEnatry entry;While((entry = zin.getNextEntry(2))!=null{fileCombo.addItem(entry.getName(3));...
【多选题】what contributed to obama's myth
A.
good fortune
B.
good education
C.
powerful family background
D.
upbringing in humble condition
E.
excellet oratory skill
F.
mixed ethnical heritage
【简答题】《会计档案管理办法》规定，会计档案的保管期限从（ ）算起。
【单选题】（压缩字节流）已知zipname是一个压缩文件名，则zipname在下列代码中出现的正确位置是________。ZipInputStreamzin=newZipInputStream(newFileInputStream(①));ZipEntryentry;while((entry=zin.getNextEntry(②))!=null){fileCombo.addItem(entry.getNam...
A.
①
B.
②
C.
③
D.
④
【单选题】What is Obama’s purpose to make this speech?
A.
To distance himself from his former pastor.
B.
To direct people’s attention to the racial issue.
C.
To call on people to focus on major issues.
D.
To condemn the statements of Reverend Wright.
【单选题】what contribute to obama's myth
A.
good fortune
B.
good education
C.
diversity of heritage
D.
powerful family background
E.
upbringing in humble circumstances
F.
excellent oratory skills
【单选题】what contribute to obama's myth
A.
good fortune
B.
hard work
C.
good education
D.
diversity of heritage
E.
powerful family background
F.
upbringing in humble circumstances
G.
excellent oratory skills
【单选题】已知zipname 是一个压缩文件名,则zipname 在下列代码中出现的正确位置是: ZipInPutStream zin =new ZipInPutStream(new FileInPutStream(1)); ZipEnatry entry; While((entry = zin.getNextEntry(2))!=null{ fileCombo.addItem(entry.getName(...
A.
①
B.
②
C.
③
D.
④
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