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【单选题】
以下哪项不是脂肪肝的超声表现( )A.
肝脏增大
B.
肝实质回声普遍增高
C.
肝内血管变细，显示不清
D.
肝实质回声普遍减低
E.
以上都不是
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【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified
B.
have usually left some traces
C.
can usually be reconstructed
D.
have always vanished without any trace
【单选题】I don’t smoke now, but I ____for almost ten years.
A.
ever smoked
B.
have ever smoked
C.
had ever smoked
D.
was ever smoking
【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified
B.
have usually left some traces
C.
can usually be reconstructed
D.
have always vanished without any trace
【简答题】A． still B． even C． ever D． almost
【单选题】In almost all cases the soft parts of fossils are gone for ever but they were fitted around or within the hard parts. Many of them also were attached to the hard parts and usually such attachments are...
A.
can always be accurately identified.
B.
have usually left some traces.
C.
can usually be reconstructed.
D.
have always vanished without any trace.
【单选题】I don’t drink now, but I ________ for almost ten years.
A.
ever drank
B.
was ever drinking
C.
have ever drunk
D.
had ever drunk
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